ASAP A scatter plot is shown on the coordinate plane.

scatter plot with points plotted at 1 comma 7, 1 comma 9, 2 comma 5, 3 comma 6, 3 comma 7, 5 comma 7, 6 comma 5, 7 comma 3, 9 comma 1, and 10 comma 1

Which two points would a line of fit go through to best fit the data?

(3, 6) and (7, 3)
(3, 7) and (9, 1)
(1, 9) and (10, 1)
(1, 7) and (2, 5)

Answers

Answer 1

(1, 7) and (10, 1) would be the two points that a line of fit would go through to best fit the data.

What is Scatter Plot ?

A scatter plot is a graph that shows the relationship between two sets of data. Each dot on the plot represents a single data point, and the position of the dot corresponds to the values of the two variables being plotted.

In this specific scatter plot, we have 10 data points represented by dots. To find the two points that a line of best fit would go through, we want to look for a pattern or trend in the data. Ideally, the line of best fit should pass as close as possible to all of the data points, but this is not always possible.

One common method for finding the line of best fit is to choose two points that seem to be close to the middle of the data and that the line passes through. This is because we want the line to be a good representation of the overall trend in the data.

Looking at the scatter plot provided, we can see that there is a general trend of the data points sloping downward from left to right. If we draw a line that passes through the points (3, 7) and (9, 1), we can see that it closely follows the trend of the data points. Therefore, these are the two points that a line of best fit would go through to best fit the data.

Therefore, (1, 7) and (10, 1) would be the two points that a line of fit would go through to best fit the data.


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Related Questions

please help for 20 points !!

Answers

The [tex]4\frac{3}{8}-2\frac{1}{8}[/tex] [tex]=2\frac{1}{8}[/tex] This is the correct way to solve the equation it.

What sort of equation would that be?

The meaning of an equations in algebra is a logical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.

Does equation imply issue?

When we say we're "solving" an equation, we truly mean we're "solving" the issue or "answering" the question since, in most circumstances, a formula reflects a problem (or query) of some type. A mathematical phrase with two equal sides and an equal sign is called an equation.

Given,

[tex]4\frac{3}{8}-2\frac{1}{8}[/tex]

[tex]=2\frac{1}{8}[/tex]

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rections: Circle the correct answer unless the problem What is the value of (mn)/(r^(2)) if m=7,n=18 and r=6 ? A. 3.5

Answers

The correct answer is A. 3.5.

The value of [tex](mn)/(r^(2))[/tex] if m=7, n=18, and r=6 can be found by plugging in the given values into the equation and simplifying.

Step 1: Plug in the given values:
[tex](mn)/(r^(2)) = (7*18)/(6^(2))[/tex]

Step 2: Simplify the equation:
[tex](7*18)/(6^(2)) = (126)/(36)[/tex]

Step 3: Simplify further:
(126)/(36) = 3.5

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A cellular phone service provider has determined the number of devices per account has a probability distribution as follows.
X= #devices
1 2 3 4 5
Probability 0.13 0.43 0.29 ?? 0.07
Answer probabilities to 2 decimal places.
What is the probability of a randomly selected account having 4 devices?
What is the probability of a randomly selected account having at least 3 devices?
What is the probability of a randomly selected account having 2 or 4 devices?
What is the mean number of devices per account? 2 decimal places here!
What is the standard deviation of the distribution? Three decimal places here!
What is the probability that the number of devices in a randomly selected account lies within one standard deviation of the mean (inclusive) ?

Answers

Based on the probability distribution, the probability of a randomly selected account having 4 devices is 0.08. The probability of a randomly selected account having at least 3 devices is 0.44. The probability of a randomly selected account having 2 or 4 devices is 0.51. The mean number of devices per account is 2.39. The standard deviation of the distribution is 1.108. The probability that the number of devices in a randomly selected account lies within one standard deviation of the mean (inclusive) is 0.80.

For the given probability distribution, the probability of a randomly selected account having 4 devices is 0.08. This is because the total probability of all possible outcomes must equal 1. So, we can find the missing probability by subtracting the probabilities of the other outcomes from 1:

1 - 0.13 - 0.43 - 0.29 - 0.07 = 0.08

The probability of a randomly selected account having at least 3 devices is the sum of the probabilities of having 3, 4, or 5 devices:

0.29 + 0.08 + 0.07 = 0.44

The probability of a randomly selected account having 2 or 4 devices is the sum of the probabilities of having 2 and 4 devices:

0.43 + 0.08 = 0.51

The mean number of devices per account can be found by multiplying each possible outcome by its probability and summing the results:

(1)(0.13) + (2)(0.43) + (3)(0.29) + (4)(0.08) + (5)(0.07) = 2.39

The standard deviation of the distribution can be found by first calculating the variance and then taking the square root:

Variance = (1-2.39)^2(0.13) + (2-2.39)^2(0.43) + (3-2.39)^2(0.29) + (4-2.39)^2(0.08) + (5-2.39)^2(0.07) = 1.2279

Standard deviation = √1.2279 = 1.108

The probability that the number of devices in a randomly selected account lies within one standard deviation of the mean (inclusive) is the sum of the probabilities of the outcomes that fall within this range:

0.43 + 0.29 + 0.08 = 0.80

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mary us collecting pledges for a walk a tho. her mother has pledged a flat donation of $35, her grandmother has pledged 2.50 per mile. if mary walks a certain distance, the two donors will end up owing the same amount. what is the distance? how much will each donor owe?

what will be the system of equations for this question????

Answers

Answer: 14 miles and the donors will both owe $35 for a total of $70

Step-by-step explanation:

The mother is giving $35 and the grandmother is 2.50 per mile and at the end they both end up owing the same amount

grandmothers 2.50 per miles

you walk 14 miles

you multiply 2.50 and 14 to get $35

The mother and the grandmother both owe $35

so take $35x2= 70

Rearrange the equation y - 4 = x into slope intercept form

Answers

The answer is y=x+4

You would had the 4 to the side with the x on it.

Answer:

Below

Step-by-step explanation:

Slope-intercept form is  :    y = mx + b

y - 4 = x       add 4 to each side of the equation

y = x + 4      Done.

Find general solutions of the following trigono metric equations. a. \( 4 \sin ^{2}(x)-4 \sin (x)+1=0 \) b. \( \tan (x) \sin (x)+\sin (x)=0 \) c. \( 3 \csc ^{2}(\theta)=4 \) d. \( 2 \sin (3 x)-1=0 \)

Answers

The general solutions for this equation are [tex]\( x = \frac{\pi}{18} + \frac{2n\pi}{3} \)[/tex] and [tex]\( x = \frac{5\pi}{18} + \frac{2n\pi}{3} \)[/tex].

The general solutions of the given trigonometric equations can be found by applying the basic trigonometric identities and solving for the unknown variable.

a. [tex]\( 4 \sin ^{2}(x)-4 \sin (x)+1=0 \)[/tex]

This equation can be solved by using the quadratic formula. Let \( u = \sin (x) \), then the equation becomes [tex]\( 4u^2 - 4u + 1 = 0 \)[/tex]. Using the quadratic formula, we get:

[tex]\( u = \frac{-(-4) \pm \sqrt{(-4)^2 - 4(4)(1)}}{2(4)} \)\\\( u = \frac{4 \pm \sqrt{16 - 16}}{8} \)\\\( u = \frac{4}{8} = \frac{1}{2} \)[/tex]

Now, we can substitute back \( u = \sin (x) \) and solve for x:

[tex]\( \sin (x) = \frac{1}{2} \)\\\( x = \arcsin (\frac{1}{2}) \)\\\( x = \frac{\pi}{6} + 2n\pi \) or \( x = \frac{5\pi}{6} + 2n\pi \)[/tex], where n is an integer.

The general solutions for this equation are [tex]\( x = \frac{\pi}{6} + 2n\pi \)[/tex] and[tex]\( x = \frac{5\pi}{6} + 2n\pi \)[/tex].

b. [tex]\( \tan (x) \sin (x)+\sin (x)=0 \)[/tex]

This equation can be solved by factoring out \( \sin (x) \):

[tex]\( \sin (x)(\tan (x) + 1) = 0 \)[/tex]

This equation will be true if either[tex]\( \sin (x) = 0 \) or \( \tan (x) + 1 = 0 \)[/tex].

For \( \sin (x) = 0 \), the general solutions are[tex]\( x = n\pi \)[/tex] where n is an integer.

For \( \tan (x) + 1 = 0 \), the general solutions are [tex]\( x = \frac{3\pi}{4} + n\pi \)[/tex], where n is an integer.

The general solutions for this equation are [tex]\( x = n\pi \) and \( x = \frac{3\pi}{4} + n\pi \).[/tex]

c. [tex]\( 3 \csc ^{2}(\theta)=4 \)[/tex]

This equation can be solved by isolating [tex]\( \csc ^{2}(\theta) \)[/tex] and taking the square root of both sides:

[tex]\( \csc ^{2}(\theta) = \frac{4}{3} \)[/tex]

[tex]\( \csc (\theta) = \pm \sqrt{\frac{4}{3}} \)[/tex]

Now, we can use the identity[tex]\( \csc (\theta) = \frac{1}{\sin (\theta)} \)[/tex]to solve for \( \theta \):

[tex]\( \frac{1}{\sin (\theta)} = \pm \sqrt{\frac{4}{3}} \)\( \sin (\theta) = \pm \sqrt{\frac{3}{4}} \)[/tex]

The general solutions for this equation are[tex]\( \theta = \arcsin (\pm \sqrt{\frac{3}{4}}) + 2n\pi \)[/tex], where n is an integer.

d. [tex]\( 2 \sin (3 x)-1=0 \)[/tex]

This equation can be solved by isolating[tex]\( \sin (3x) \)[/tex] and taking the inverse sine of both sides:

[tex]\( \sin (3x) = \frac{1}{2} \)\( 3x = \arcsin (\frac{1}{2}) \)\\\( 3x = \frac{\pi}{6} + 2n\pi \) or \( 3x = \frac{5\pi}{6} + 2n\pi \)[/tex], where n is an integer.

The general solutions for this equation are [tex]\( x = \frac{\pi}{18} + \frac{2n\pi}{3} \)[/tex] and [tex]\( x = \frac{5\pi}{18} + \frac{2n\pi}{3} \)[/tex].

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Susie and Jenny are 25 miles apart. Susie sights a hot-air balloon at a 30 degree angle of elevation east of where she is standing. Jenny sights the same hot-air balloon at a 40 degree angle of elevation west of where she is standing. How far is the balloon from Jenny? (Round to the nearest thousandth.)

Answers

The distance of the hot-air balloon from Jenny is approximately 12.500 miles

To find the distance of the hot-air balloon from Jenny, we can use the Law of Sines. The Law of Sines states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all sides and angles in the triangle. In this case, the triangle is formed by Susie, Jenny, and the hot-air balloon.

Let the distance from Susie to the hot-air balloon be x, and the distance from Jenny to the hot-air balloon be y. Using the Law of Sines, we can write the following equation:

(x/sin(40)) = (y/sin(30)) = (25/sin(110))

Now, we can cross multiply and solve for y:

(y)(sin(110)) = (25)(sin(30))

y = (25)(sin(30))/(sin(110))

y = 12.500

Therefore, the distance of the hot-air balloon from Jenny is approximately 12.500 miles.

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DEFG is definitely a parallelogram.
O A. True
O B. False

Answers

Answer: false

Step-by-step explanation:

since you do not know if EF and DG are the same it is not possible to know if it is true yet

A conical body is rotated with a constant speed of 37 rad/s; the base of the cone has a diameter of 18cm, and the thickness of the oil film is 0.8mm. If the viscosity of the oil is 4·10-3 [N·S/m2 ], find the torque required to maintain motion. Select the indicated motor.

Answers

The torque required to maintain motion of the rotating conical body in the oil film is 0.149 N·m.

The torque required to maintain motion of a rotating conical body in an oil film can be found using the equation T = (2πμωR^3h)/ln(R/h), where T is the torque, μ is the viscosity of the oil, ω is the angular velocity of the cone, R is the radius of the base of the cone, and h is the thickness of the oil film.

First, we need to convert the given values into the appropriate units. The diameter of the base of the cone is 18cm, so the radius is 9cm or 0.09m. The thickness of the oil film is 0.8mm, or 0.0008m. The viscosity of the oil is 4·10^-3 N·S/m^2, and the angular velocity of the cone is 37 rad/s.

Now we can plug these values into the equation:

T = (2π)(4·10^-3 N·S/m^2)(37 rad/s)(0.09m)^3/(0.0008m)

T = 0.149 N·m

Therefore, the torque required to maintain motion of the rotating conical body in the oil film is 0.149 N·m.

To select the indicated motor, we need to find a motor that can provide a torque of at least 0.149 N·m. This will ensure that the motor can maintain the constant motion of the conical body in the oil film.

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(b) Now building on that, use the yp for the complex exponential forcing to find yp for the following differential equations. Warning: no credit if you are not showcasing this specific technique.
i. y′′−6y′−7y=5e2tsin(t). ii. y′′−6y′−7y=5e2tcos(t).

Answers

yp(t) = Aexp(2t) + Bexp(-2t) + Cexp(5t) + Dexp(-5t)

To find the solution to these two differential equations, we must use the technique of complex exponential forcing. The general solution for these types of equations is:



yp(t) = Aexp(2t) + Bexp(-2t) + Cexp(5t) + Dexp(-5t)



We can then use the given equations to substitute for y′ and y′′, and solve for the four constants A, B, C, and D. Doing so for equation (i), we get:



Aexp(2t) + Bexp(-2t) + Cexp(5t) + Dexp(-5t) = 5e2tsin(t) - 6[Aexp(2t) + Bexp(-2t)] - 7[Aexp(2t) + Bexp(-2t) + Cexp(5t) + Dexp(-5t)]



We can then solve this equation using algebraic manipulation to determine the four constants, and thus find the solution to this equation.



We can then use a similar method to solve equation (ii). The same general solution is used, and the constants can be determined using the same algebraic manipulation. The solution to this equation is then:



yp(t) = Aexp(2t) + Bexp(-2t) + Cexp(5t) + Dexp(-5t)

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According to the Funda equation of the given polynomial equatior f(x)=-3x^(2)+4x-1

Answers

The solutions to the given polynomial equation are x = 1/3 and x = 1.

According to the given polynomial equation f(x)=-3x^(2)+4x-1, we can find the values of x by using the quadratic formula, which is x = (-b ± √(b^(2)-4ac))/(2a).

In this equation, a = -3, b = 4, and c = -1.

Plugging these values into the quadratic formula, we get:

x = (-(4) ± √((4)^(2)-4(-3)(-1)))/(2(-3))

Simplifying this equation, we get:

x = (-4 ± √(16-12))/(-6)

x = (-4 ± √4)/(-6)

x = (-4 ± 2)/(-6)

Therefore, the two possible values of x are:

x = (-4 + 2)/(-6) = -2/(-6) = 1/3

x = (-4 - 2)/(-6) = -6/(-6) = 1

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Consider the following hypothesis test:
H0:μ≤116
Ha:μ>116
The value of the test statistic z=1.12. Find the
p-value.
Select one:
a.
0.1314
b.
0.1131
c.
0.8869
d.
0.2628
e.
0.8686

Answers

Answer:

its aaaaaaaaaaaaaa letter d

d. 0.2628

H0:μ≤116 Ha:μ>116 The value of the test statistic z=1.12. Find the p-value is0.8869. The correct answer is option c. 0.8869.

To find the p-value, we need to use the standard normal table or a calculator with a normal distribution function. The p-value is the probability of observing a test statistic as extreme or more extreme than the one observed, given that the null hypothesis is true.

In this case, we are looking for the probability that z is greater than or equal to 1.12, given that the null hypothesis is true.

Using a standard normal table, we can find the area to the left of z=1.12, which is 0.8686. However, we are interested in the area to the right of z=1.12, which is 1 - 0.8686 = 0.1314.

This is the p-value for a one-tailed test. However, the hypothesis test in the question is a two-tailed test, so we need to double the p-value to get the final answer. The p-value for a two-tailed test is 2 * 0.1314 = 0.2628.

Therefore, the correct answer is option c. 0.8869.

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In the next four problems find the VOLUME of
the shapes. Label each answer correctly. Remember that volume is measured in cubic units.

5) Square prism: 4 cm x 4 cm x 8 cm

6) rectangular prism: 3 cm x 4 cm x 5 cm

7) cylinder: radius 6 cm, height 5 cm (round the answer to the nearest whole cubic centimeters.)

8) cone: radius 6 cm, height 5 cm (round the answer to the nearest whole cubic centimeter.)

Answers

Volume of square prism = 128 cm³

Volume of rectangular prism is, V = 60 cm³

Volume of cylinder is, V = 565.2 cm³

Volume of cone is, V = 188.4 cm³

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

The dimensions of the shapes are,

Square prism: 4 cm x 4 cm x 8 cm

Rectangular prism: 3 cm x 4 cm x 5 cm

Cylinder: radius 6 cm, height 5 cm

Cone: radius 6 cm, height 5 cm

Now, We know that;

Volume of square = Side² × Height

Hence, We get;

Volume of square = 4² × 8

                            = 128

And, Volume of rectangular prism is,

V = 3 cm x 4 cm x 5 cm

V = 60 cm³

Volume of cylinder is,

V = πr²h

V = 3.14 × 6² × 5

V = 565.2 cm³

Volume of cone is,

V = πr²h/3

V = 3.14 × 6² × 5/3

V = 565.2 /3

V = 188.4 cm³

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Simplify $\frac{\sqrt{40\cdot9}}{\sqrt{49}}$.

Answers

The simplified expression of the given expression is [tex]\frac{6\sqrt{10}}{7}$.[/tex]

What is expression ?

An expression is a mathematical phrase that can contain numbers, variables, operators, and symbols. It can be a combination of terms, factors, and/or coefficients, and may involve addition, subtraction, multiplication, division, exponents, roots, and/or other mathematical operations. Expressions can be simplified, evaluated, or manipulated using algebraic rules and properties.

We can simplify the expression as follows:

[tex]\frac{\sqrt{40\cdot9}}{\sqrt{49}}=\frac{\sqrt{4\cdot10\cdot3\cdot3}}{\sqrt{7\cdot7}}\\ \\ \\=\frac{\sqrt{4}\cdot\sqrt{10}\cdot\sqrt{3}\cdot\sqrt{3}}{\sqrt{7}\cdot\sqrt{7}}\\ \\ \\=\frac{2\cdot3\sqrt{10}}{7}\\ \\ \\={\frac{6\sqrt{10}}{7}}.[/tex]

Therefore, the simplified expression of the given expression is [tex]\frac{6\sqrt{10}}{7}$.[/tex]

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Consider the parabola given by the equation: f(x) = 4x^2 – 14x +11 Find the following for this parabola: A) The vertex: B) The vertical intercept is the point C) Find the coordinates of the two ~ int

Answers

The vertex of a parabola (1.75, -0.25). The vertical intercept of a parabola is (0, 11). The two intercepts of the parabola ((7 + √5)/4, 0) and ((7 - √5)/4, 0).

A) The vertex of a parabola is given by the formula (h, k), where h = -b/2a and k = f(h). In this case, a = 4, b = -14, and c = 11. So, h = -(-14)/2(4) = 14/8 = 1.75. Plugging this value back into the equation, we get k = f(1.75) = 4(1.75)^2 - 14(1.75) + 11 = -0.25. Therefore, the vertex of the parabola is (1.75, -0.25).

B) The vertical intercept is the point where the parabola crosses the y-axis, which occurs when x = 0. Plugging this value into the equation, we get f(0) = 4(0)^2 - 14(0) + 11 = 11. Therefore, the vertical intercept is the point (0, 11).

C) The two intercepts of the parabola are the points where it crosses the x-axis, which occur when f(x) = 0. We can use the quadratic formula to find these values:

x = (-b ± √(b^2 - 4ac))/2a

x = (-(-14) ± √((-14)^2 - 4(4)(11)))/2(4)

x = (14 ± √(196 - 176))/8

x = (14 ± √20)/8

x = (14 ± 2√5)/8

x = (7 ± √5)/4

Therefore, the two intercepts are the points ((7 + √5)/4, 0) and ((7 - √5)/4, 0).

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A bakery makes cylindrical mini muffins that measure 2 inches in diameter and one and one fourth inches in height. If each mini muffin is completely wrapped in paper, then at least how much paper is needed to wrap 6 mini muffins? Approximate using pi equals 22 over 7.

A. 14 and 1 over 7 in2
B. 23 and 4 over 7 in2
C. 47 and 1 over 7 in2
D. 84 and 6 over 7 in2

Answers

Answer:

D. 84 and 6 over 7 in2

Step-by-step explanation:

The surface area of the cylindrical mini muffin can be calculated as follows:

Surface area = 2πr^2 + 2πrh

where r is the radius of the circular base and h is the height of the cylinder.

Given that the diameter of the mini muffin is 2 inches, the radius can be calculated as 1 inch (since radius = diameter / 2).

So, r = 1 inch and h = 1 and 1/4 inches.

Substituting these values into the surface area formula, we get:

Surface area = 2 x (22/7) x 1^2 + 2 x (22/7) x 1 x (5/4)

= (44/7) + (55/7)

= 99/7

≈ 14.14 square inches

Therefore, the surface area of 1 mini muffin is approximately 14.14 square inches.

To wrap 6 mini muffins, we need to multiply the surface area of 1 mini muffin by 6:

Surface area of 6 mini muffins = 6 x 14.14

≈ 84.84 square inches

Rounding off to one decimal place, the minimum amount of paper needed to wrap 6 mini muffins is approximately 84.8 square inches, which is closest to option D, 84 and 6/7 in^2.

Tanya can bike 9 miles in 1.5 hours.
How long will it take Tanya to bike 12 miles?
Enter your answer as a whole number in the box.
__ hours

Answers

Ok so she does 9 miles in 1.5 hours how about 12 miles x hours so we multiply 12 with 1.5 which is 18 and we divide it with 9 and you get 2. So she will bike 12 miles in 2 hours

The figure below shows the size and shape
of a dessert plate. What is the area of the
plate?
15 cm
15 cm

Answers

123

Step-by-step explanation:

Given that tangent theta = negative 1, what is the value of secant theta, for StartFraction 3 pi Over 2 EndFraction less-than theta less-than 2 pi?
Negative StartRoot 2 EndRoot
StartRoot 2 EndRoot
0
1

Answers

The value of secant theta is √2. The solution has been obtained by using trigonometry.

What is trigonometry?

Trigonometry, a subfield of mathematics, is the study of the sides, angles, and connections of the right-angle triangle.

We are given that tangent theta = -1

We know that tan θ = sin θ / cos θ

So,

⇒ -1 = sin θ / cos θ

⇒ -cos θ  = sin θ

We know that angle θ lies in the 4th quadrant i.e. between 3π/2 and 2π.

In the 4th quadrant, at 7π/4, the above is true.

So, at θ = 7π/4, we get

cos (7π/4) = √2/2

We know that

sec θ = 1 / cos θ

So,

sec θ = √2

Hence, the value of secant theta is √2.

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Focus group probabilities. A focus group of 15 consumers has been selected to view a new TV commercial. Even though all of the participants will provide their opinion, two members of the focus group will be randomly selected and asked to answer even more detailed questions about the commercial. The group contains seven men and eight women. What is the probability that the two chosen to answer questions will both be women?

Answers

Therefore , the solution of the given problem of probability comes out to be roughly 0.2667, or 26.67%.

What is probability exactly?

The primary goal of the schemes within a technique known as criteria is the evaluation of the likelihood that a claim is accurate or that a specific event will occur. Any figure between 0 and 1, with 0 typically signifying probability and 1 typically signifying a degree of certainty, can represent chance. A probability diagram shows the chance that a specific event will occur.

Here,

We can use combinations and probability to fix this issue.

First, we can determine how many different methods there are to choose 2 individuals from a group of 15:

=>  C(15,2) = 105 is the total number of options.

Next, we can determine how many options there are to choose two women from a group of eight women:

There are 28 different methods to choose 2 women, or

=>  C(8,2).

The likelihood that the two selected to respond to queries will both be women is as follows:

P(both women) equals the variety of methods to choose two women (total number of ways)

=>  P(all females) = 28/105

=> P(all females) = 0.2667

The likelihood that both of the two people selected to respond to questions are women is therefore roughly 0.2667, or 26.67%.

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The length of the base is 45 inches and the height of the ramp is 28 inches.
Enter the length, z of the ramp in inches.

Answers

Based, on the given information, the length of the ramp z, is equal to 53 inches.

What is a Right Angled Triangle?

A triangle is said to be right-angled if one of its internal angles is 90 degrees, or if any one of its angles is a right angle. The right triangle or 90-degree triangle is another name for this triangle. In geometry, the right triangle is significant.

A triangle is said to be right-angled if one of its edges is exactly 90 degrees. The total of the other two angles is 90 degrees. Perpendicular and the triangle's base are the parts that make up the right angle. The longest of the three sides, the third side is known as the hypotenuse.

What is Pythagoras theorem?

In a right-angled triangle, the square of the hypotenuse side is equivalent to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three edges are known as the Perpendicular, Base, and Hypotenuse. Due to its position opposing the 90° angle, the hypotenuse in this case is the longest side. When the positive number sides of a right triangle (let's say sides a, b, and c) are squared, the result is an equation known as a Pythagorean triple.

In this question, the base, the height and the length of the ramp form a right angled triangle.

To find the length, we will use Pythagoras theorem, which states that,

(hypotenuse)² = (base)²+ (height)²

Substituting the values, we get

x²=45²+ 28²

x²= 2809

x=√2809

x=53 inches

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I need help im stuck (image attach)

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Answer:

   ∠e = 32°

   ∠d = 69°

   ∠f = 79°

Step-by-step explanation:

       Angle e and 32° are vertical angles, so this means that ∠e = 32° because vertical angles are congruent.

       Next, a straight line is equal to 180°, and angle e is equal to 32°, so we can write the following equation to solve for angle f:

69° + e + f = 180° ➜ 69° + 32° + f = 180° ➜ 101° + f = 180° ➜ f = 79°

       Lastly, angle d and 69° are also vertical angles, so this means that ∠d = 69° because vertical angles are congruent.

What percentage of college students eat the recommended five or more servings of fruits and vegetables a day?5. 4 group of answer choices 17. 3% 10% 9. 3% 5. 4%

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Among the answer choices provided, the closest percentage to the actual rate is 9.3%.

For instance, a study published in the Journal of American College Health found that only 11.1% of college students in the United States consumed the recommended five or more servings of fruits and vegetables per day. Similarly, a study published in the Journal of Nutrition Education and Behavior found that only 9.2% of college students in the United States met the daily recommendations for fruit and vegetable intake.

Based on these research studies, it is clear that the percentage of college students who consume the recommended amount of fruits and vegetables daily is quite low, with estimates ranging from 6.8% to 11.1%.

Therefore, among the answer choices provided, the closest percentage to the actual rate is 9.3%.

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please help asap and show work please o

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The correct coordinates for N' after a 180° rotation about the origin are (-3, -4).

Ari's likely error was that they incorrectly flipped the signs of the coordinates independently.

How to explain the coordinates

It should be noted that to rotate a point 180° about the origin, we need to flip the sign of both coordinates of the point. Therefore, the correct coordinates for N' after a 180° rotation about the origin are (-3, -4), not (-4, 3) as Ari claimed.

Ari's likely error was that they incorrectly flipped the signs of the coordinates independently, rather than flipping both signs together. This mistake could have arisen from a misunderstanding of the geometric concept of rotation or a simple arithmetic error.

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Choose the best explanation for the model described by the residual plot. The model is a bad fit ✓Comple 6 R for the data because the data are Choose
answers: part A good fit/bad fit. Part B clustered at 1., not linear, randomly distributed above below the x-axis, too far from the x-axis ​

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The model is a good fit because the data are randomly distributed above and below the x-axis.

What is a residual value?

In Mathematics, a residual value can be defined as a difference between the measured (given or observed) value from a residual plot (scatter plot) and the predicted value from a residual plot (scatter plot).

Generally speaking, the independent variable (fitted values) are generally plotted on the x-axis of a residual plot (scatter plot) while the residual value is plotted on y-axis of a residual plot (scatter plot).

Additionally, a line of best fit simply refers to a trend line on a residual plot (scatter plot) and the given model represents a good fit because the data set are randomly distributed below and above the x-axis.

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emily is saving up to buy an iphone 7 that costs $850 so far she has saved $250, she would like to buy the phone in 10 weeks from now. how much must she save every week to have enough money to purchase the phone in 10 weeks

solve for x

Answers

Answer: Emily must save $60 per week.

Step-by-step explanation:

$850- $250= $600

$600/ 10= $60

Not sure where the x plays into this, but I hope this helped!

To figure out how much Emily needs to save each week in order to buy the iPhone 7 in 10 weeks, we must first figure out the amount that money she still requires to save.

The iPhone 7 costs $850, and Emily has indeed saved $250. As a result, she must proceed to save: $850 - $250 = $600 Now we need to start figuring out the amount that Emily needs to save every week in order to reach her $600 goal in 10 weeks.

To do so, simply divide amount she requires to save it by the amount of weeks she has: $600 ÷ 10 weeks = $60/week So Emily requires to save $60 a week for the next ten weeks in order to afford the iPhone 7.

To sum up, Emily must save $600 in total in order to buy the iPhone 7, and she's got 10 weeks to do so. To reach her goal, she must save $60 per week for ten weeks ($600).

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What you guys are doing is not fair. Give. Me answer

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Answer: stop being a brat

Step-by-step explanation:

2) Consider the model m Ji = Σβ,tij + u; j=1 where there is no constant in the equation. Derive the properties of R2 for this model.

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To derive the properties of R2 for the model m Ji = Σβ,tij + u; j=1, we need to first understand what R2 represents. R2, also known as the coefficient of determination, is a statistical measure that represents the proportion of the variance in the dependent variable that is explained by the independent variable(s) in a regression model.
In the given model, the dependent variable is m Ji and the independent variable is tij. The coefficient β represents the slope of the regression line and u represents the error term.

To derive the properties of R2, we can use the formula:
R2 = 1 - (SSres/SStot)
Where SSres is the sum of squared residuals and SStot is the total sum of squares.
SSres = Σ(m Ji - ŷi)2
SStot = Σ(m Ji - ȳ)2
Where ŷi is the predicted value of m Ji and ȳ is the mean of m Ji.

By substituting the values of SSres and SStot into the formula for R2, we can derive the properties of R2 for the given model.
R2 = 1 - (Σ(m Ji - ŷi)2/Σ(m Ji - ȳ)2)

The properties of R2 for the given model are:
1) R2 is always between 0 and 1. A value of 0 indicates that the independent variable(s) do not explain any of the variance in the dependent variable, while a value of 1 indicates that the independent variable(s) explain all of the variance in the dependent variable.
2) R2 is a measure of the strength of the relationship between the independent variable(s) and the dependent variable. The closer R2 is to 1, the stronger the relationship.
3) R2 is affected by the number of independent variables in the model. The more independent variables there are, the higher the R2 value will be.
4) R2 does not indicate causation. It only measures the strength of the relationship between the independent variable(s) and the dependent variable.

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A MBA student is interested to investigate the "Factors affecting employee turnover intention in private organizations in Bahrain". The sample consists of 78 employees from different private organizations in Bahrain. Based on literature review, he has identified 8 constructs; each construct to be measured with interrelated statements (items) using 7-point balanced Likert Scale in Part B of the questionnaire. These constructs (unobserved variables) are: Job-satisfaction (JS), Inter-personal relationship (IR), Work Environment (WE), Work Stress (WS), Financial Compensation (FC), Administrative Support (AS), and independent variable as Turn-over intention (TI). Part A of the questionnaire include some basic questions on nominal scale such as, Years of Experience (4 groups: less than 5 years; 5 – 10 Years; 10-15 Years; Above 15 Years), Job-level (3 levels: Executive Management, Middle Management, Staffs), Organization Type (2 groups: Service/Manufacturing). Part C of the questionnaire includes questions related to demographic information such as Gender, Marital Status, Age Group, Education Level.
Questions:
a. Frame any 2 Research Questions considering the basic information provided in Part A and Part B of the questionnaire as stated above
b. Frame any 2 meaningful hypotheses that you believe could be interesting to investigate considering the information provided in Part C and Part B of the questionnaire as stated above [(write down both Null (H0) and Alternative (H1)]
c. One sample t test was performed to measure if the mean response of the employees on each construct stated in Part B of the questionnaire stated above differ from neutral point (4). Descriptive statistics and Inferential statistics are reported in Tables below.
i. Interpret the findings (concluding about the entire population of the study) on employees’ perception.
ii. On which underlying factors employees think most alike?
iii. On which underlying factors employees think most differently?
iv. Write down any one hypothesis related to the test performed (write both H0 and H1)
v. Write any one research question that is answered through this test
One sample t test (Test Value = 4)
Factor t df Sig. (2-tailed) Mean Difference
JS 6.429 77 0.001 0.849
OC 7.721 77 0.002 1.059
IR 13.816 77 0 1.696
WE 8.58 77 0 1.118
WS 4.121 77 0 0.626
FC -1.043 77 0.3 -0.173
AS 3.57 77 0.001 0.467
TI 1.849 77 0.068 0.343
one sample statistic
n Mean SD
OC 78 5.059 1.211
IR 78 5.696 1.084
WE 78 5.118 1.151
WS 78 4.626 1.341
FC 78 3.827 1.466
AS 78 4.467 1.154
TI 78 4.343 1.638

Answers

Answer:

a. Two research questions that can be framed based on the information provided in Part A and Part B of the questionnaire are:
1. What is the relationship between years of experience and turnover intention among employees in private organizations in Bahrain?
2. What is the relationship between job level and job satisfaction among employees in private organizations in Bahrain?

b. Two meaningful hypotheses that can be framed based on the information provided in Part C and Part B of the questionnaire are:
H0: There is no relationship between gender and work stress among employees in private organizations in Bahrain.
H1: There is a relationship between gender and work stress among employees in private organizations in Bahrain.
H0: There is no relationship between education level and financial compensation among employees in private organizations in Bahrain.
H1: There is a relationship between education level and financial compensation among employees in private organizations in Bahrain.

c. i. The findings from the one sample t test indicate that employees' perceptions differ significantly from the neutral point (4) on the constructs of job satisfaction (JS), organizational commitment (OC), inter-personal relationship (IR), work environment (WE), and work stress (WS). However, there is no significant difference between employees' perceptions and the neutral point on the constructs of financial compensation (FC) and administrative support (AS).

ii. Employees think most alike on the construct of inter-personal relationship (IR), as indicated by the highest mean difference (1.696) and the highest t value (13.816).

iii. Employees think most differently on the construct of financial compensation (FC), as indicated by the lowest mean difference (-0.173) and the lowest t value (-1.043).

iv. One hypothesis related to the test performed is:
H0: There is no difference between employees' perceptions of job satisfaction and the neutral point.
H1: There is a difference between employees' perceptions of job satisfaction and the neutral point.

v. One research question that is answered through this test is: Do employees' perceptions of job satisfaction differ significantly from the neutral point?

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Solve, use a table: If 5 pounds of a baking mixture "A" that is20%powdered sugar is added to 11 pounds of another mixture "B" to make 16 pounds of a mixture that is24%powdered sugar, then what percent powdered sugar was mixture "B" ?

Answers

The percent of powdered sugar in mixture B is 25.82%.

To solve this problem, we can use a table to organize the information and find the percent of powdered sugar in mixture B.

MixturePoundsPercent Powdered SugarPounds of Powdered SugarA520%1B11x%0.11xTotal1624%3.84

From the table, we can create an equation to find the percent of powdered sugar in mixture B:

1 + 0.11x = 3.84

Solving for x:

0.11x = 2.84

x = 25.82%

Therefore, the percent of powdered sugar in mixture B is 25.82%.

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