complete the following statements: 1. the organs of static equilibrium are located within two expanded chamberes within the vestibule called the

Answer:

6

Step-by-step explanation:

2 multiples by 2 times 2. there is your answer big man please like it

The weight of a small Starbucks coffee that is heavier than 480 grams corresponds to a probability of 0.0062.

To find the weight that corresponds to each event, we'll need to use the normal distribution formula:

Z = (X - μ) / σ where Z is the standard score (or z-score), X is the observed value, μ is the mean, and σ is the standard deviation.

We can use this formula to convert the weight of a small Starbucks coffee into a z-score, and then use a standard normal distribution table (such as Appendix C) to find the corresponding probability (or vice versa).

Here are the specific events and their corresponding weights:

1. The weight of a small Starbucks coffee that is lighter than 400 grams. First, we need to convert the weight of 400 grams into a z-score:

Z = (400 - 420) / 24 = -0.83 Using Appendix C or Excel.

we can find that the probability of a z-score being less than -0.83 is 0.2033.

Therefore, the weight of a small Starbucks coffee that is lighter than 400 grams corresponds to a probability of 0.2033.

2. The weight of a small Starbucks coffee that is between 420 and 450 grams. To find the z-scores corresponding to these weights, we need to use the formula twice: For 420 grams: Z = (420 - 420) / 24 = 0 For 450 grams: Z = (450 - 420) / 24 = 1.25 Using Appendix C or Excel, we can find that the probability of a z-score being between 0 and 1.25 is 0.3944.

Therefore, the weight of a small Starbucks coffee that is between 420 and 450 grams corresponds to a probability of 0.3944.

3. The weight of a small Starbucks coffee that is heavier than 480 grams. Again, we need to convert the weight of 480 grams into a z-score:

Z = (480 - 420) / 24 = 2.50 Using Appendix C or Excel, we can find that the probability of a z-score being greater than 2.50 is 0.0062.

Therefore, the weight of a small Starbucks coffee that is heavier than 480 grams corresponds to a probability of 0.0062.

Learn more about standard deviation here,

https://brainly.com/question/31363824

#SPJ4

Using a system of equations, the number of hours the artisan worked overtime, y, is 25 hours.

A system of equations is two or more equations solved concurrently.

A system of equations is called simultaneous equations because they are solved at the same time.

The normal hourly rate = sh. 30

The overtime hourly rate = sh. 50

The total hours worked  for a week = 65 hours

The total remuneration for the week = sh. 2,450

Let the normal hours = x

Let the overtime hours = y

x + y = 65 Equation 1

30x + 50y = 2,450 Equation 2

Multiply Equation 1 by 30:

30x + 30y = 1,950 Equation 3

Subtract Equation 3 from Equation 2:

30x + 50y = 2,450

-

30x + 30y = 1,950

20y = 500

y = 25 hours

x = 40 hours

Learn more about a system of equations at https://brainly.com/question/13729904.

#SPJ1

The solution to the equation 4√(x - 10) + 15 = 43 is x = 59.

A statement that affirms the equivalence of two expressions joined by the equals symbol "=" is known as an equation.

Yes, your steps are correct. Here's the solution to the equation:

4√(x - 10) + 15 = 43

To isolate the radical term on one side of the equation, we first subtract 15 from both sides:

4√(x - 10) = 28

Next, we divide both sides of the equation by 4:

√(x - 10) = 7

To solve for x, we square both sides of the equation:

(√(x - 10))² = 7²

Simplifying the left-hand side of the equation, we get:

x - 10 = 49

Adding 10 to both sides of the equation, we get:

x = 59

Therefore, the solution to the equation 4√(x - 10) + 15 = 43 is x = 59.

Learn more about equation on:

https://brainly.com/question/27893282

#SPJ4

Answer:

Total volume of the figure is 896in³

Therefore, under the null hypothesis of no color preference, we would expect each color to be chosen as the first peck by approximately 9 birds.

Under the null hypothesis of no color preference, the expected number of first pecks for each color would be equal.

The null hypothesis assumes that the birds have no preference for any particular color and their choices are purely random. Therefore, we can assume that the probability of choosing each color is the same. Since there are four colors, the expected number of first pecks for each color would be equal to 36 divided by 4, which is 9.

The researcher studying the pecking behavior of 1-day-old bobwhites observed their choices among four pins with different colored heads inserted in an area painted white. The color of the pin chosen on the bird's first peck was noted for 36 bobwhites. To test the hypothesis of whether the birds had a preference for any particular color, we need to calculate the expected number of first pecks for each color under the null hypothesis of no color preference.

Under the null hypothesis, we assume that the birds' choices are purely random and they have no preference for any particular color. Therefore, the probability of choosing each color is the same, which is 1/4. We can use this probability to calculate the expected number of first pecks for each color.

To calculate the expected number of first pecks for each color, we can multiply the total number of birds (36) by the probability of choosing each color (1/4). This gives us the expected number of first pecks for each color as follows:

Expected number of first pecks for each color = Total number of birds x Probability of choosing each color
= 36 x 1/4
= 9

If the observed number of first pecks for any color is significantly different from 9, then we can reject the null hypothesis and conclude that the birds have a preference for that particular color.

To know more about probability  visit:

brainly.com/question/30034780

#SPJ11

(a) The probability that the student has a shoe size of 8 is 5/23.

(b) The probability that the student has a shoe size of 7 or smaller is 12/23.

To calculate the probabilities, we need to determine the number of students with the shoe sizes mentioned and divide it by the total number of students.

Given the table shows the shoe sizes of 23 students, we can find:

(a) The probability that the student has a shoe size of 8:

Looking at the table, we need to count the number of students with a shoe size of 8.

Let's assume there are 5 students with a shoe size of 8.

The probability would be:

P(shoe size 8) = Number of students with shoe size 8 / Total number of students = 5 / 23.

(b) The probability that the student has a shoe size of 7 or smaller:

We need to count the number of students with shoe sizes 7 or smaller. Let's assume there are 12 students with a shoe size of 7 or smaller.

The probability would be:

P(shoe size 7 or smaller) = Number of students with shoe size 7 or smaller / Total number of students = 12 / 23.

For similar question on probability.

https://brainly.com/question/30547938

#SPJ11

Question: The table shows the shoe size of 23 students.

A student is picked at random.

there are 2 ansers

(a) Work out the probability that the student has a school size of 8.

(b) Work out the probability that the student has a school size of 7 or smaller.

a) The probability distribution are P(S₂ = -2) = 1/9, P(S₂ = -1) = 2/9, P(S₂ = 0) = 1/9, P(S₂ = 1) = 2/9, P(S₂ = 2) = 2/9, P(S₂ = 3) = 2/9, P(S₂ = 4) = 1/9

b) The probability that the particle's position S90,000 is less than or equal to 29,500 is approximately 0.0571.

In this problem, we are given a particle's initial position S₀ = 0, and its position Sₙ after n time intervals, where the position is a sum of n independent and identically distributed random displacements X₁, X₂, ..., Xₙ. Each displacement Xᵢ can take on one of three values: -1, 0, or 2, with equal probability 1/3 for each.

(a) To find the probability distribution of S₂ = X₁ + X₂, we can enumerate all possible values of S₂ and compute their probabilities. The possible values of S₂ are -2, -1, 0, 1, 2, 3, 4, and their respective probabilities are:

P(S₂ = -2) = P(X₁ = -1, X₂ = -1) = (1/3)² = 1/9

P(S₂ = -1) = P(X₁ = -1, X₂ = 0) + P(X₁ = 0, X₂ = -1) = 2(1/3)² = 2/9

P(S₂ = 0) = P(X₁ = 0, X₂ = 0) = (1/3)² = 1/9

P(S₂ = 1) = P(X₁ = 2, X₂ = -1) + P(X₁ = -1, X₂ = 2) = 2(1/3)² = 2/9

P(S₂ = 2) = P(X₁ = 2, X₂ = 0) + P(X₁ = 0, X₂ = 2) = 2(1/3)² = 2/9

P(S₂ = 3) = P(X₁ = 2, X₂ = 1) + P(X₁ = 1, X₂ = 2) = 2(1/3)² = 2/9

P(S₂ = 4) = P(X₁ = 2, X₂ = 2) = (1/3)² = 1/9

(b) To compute P(S90,000 ≤ 29,500), we can use the Central Limit Theorem (CLT) to approximate the distribution of S90,000. The CLT states that the sum of a large number of independent and identically distributed random variables tends to follow a normal distribution, regardless of the underlying distribution of the individual variables. For n large enough, we have:

S90,000 ≈ N(μ, σ²), where μ = nE(X) and σ² = nVar(X)

Here, n = 90,000, E(X) = (-1 + 0 + 2)/3 = 1/3, and Var(X) = [(2-1/3)² + (-1-1/3)² + (0-1/3)²]/3 = 10/9. Therefore, we have:

μ = 90,000(1/3) = 30,000

σ² = 90,000(10/9) ≈ 100,000

Now, we can standardize the variable Z = (S90,000 - μ)/σ and use a standard normal table or calculator to find the probability:

P(S90,000 ≤ 29,500) = P(Z ≤ (29,500 - 30,000)/√100,000) ≈ P(Z ≤ -1.58) ≈ 0.0571 (rounded to four decimal places)

To learn more about distribution click on,

https://brainly.com/question/14690794

#SPJ4

Answer:

approximately 242.4 cubic inches.

Step-by-step explanation:

The volume of a prism is given by the formula:

Volume = Base area x Height

We are given that the base area of the prism is 21 square inches, and the height is 5 inches. We need to find the length of one side of the base to determine the base shape of the prism.

The perimeter of the base is 29 inches, so if the base has n sides of equal length, then the length of each side is:

Perimeter = n x Length of one side

29 inches = n x Length of one side

Since we don't know the number of sides, we can't solve for the length of one side directly. However, we can use the fact that the base area is 21 square inches to write an equation involving the length of one side:

Base area = (1/2) x Perimeter x Apothem

21 square inches = (1/2) x 29 inches x Apothem

where the apothem is the distance from the center of the base to the midpoint of a side.

Simplifying this equation, we get:

Apothem = 42/29 inches

Now we can use the apothem to find the length of one side of the base:

Length of one side = 2 x Apothem / √3

Length of one side = 2 x (42/29) inches / √3

Length of one side = 12/√3 inches

Now we can calculate the volume of the prism:

Volume = Base area x Height

Volume = 21 square inches x 5 inches x (12/√3) inches

Volume = 420/√3 cubic inches

Volume ≈ 242.4 cubic inches (rounded to one decimal place)

Therefore, the volume of the prism is approximately 242.4 cubic inches.

Reject the null hypothesis; there is strong evidence to suggest that the Sharpies last longer than a mean of 14 hours.

What is null hypothesis?

In statistics, a null hypothesis is a statement that suggests there is no significant difference between two sets of data, or that any observed difference is due to chance or sampling variation.

Reject the null hypothesis; there is strong evidence to suggest that the Sharpies last longer than a mean of 14 hours.

The calculated t-value of 2.635 is greater than the critical t-value at the 5% significance level, which indicates that the sample mean is significantly different from the hypothesized population mean of 14 hours.

The p-value of 0.006 is also less than the significance level of 0.05, providing strong evidence against the null hypothesis.

Therefore, we can conclude that the Sharpies last longer than a mean of 14 continuous hours, based on the given data.

To learn more about null hypothesis visit:

https://brainly.com/question/4436370

#SPJ4

For a logarithmic equation in Pareto's law for capitalist countries, log y = log b - k log x, the solution of this equation is equal to the y = b x⁻ᵏ or [tex]y = \frac{ b}{x^k}[/tex].

A logarithmic equation is one of equation form that involves the logarithm of an expression containing a variable. We have Pareto's law for capitalist countries defines as the relationship between annual income, x and the number y of individuals whose income exceeds x is written as log y = log b - k log x --(1) , where b and k are positive constants. We have to solve this equation. As we see it is an logarithm equation. Using logarithm properties we can solve it. The equation is log y = log b - k log x

Using substraction property of logarithm,

[tex]log\: m - log\: n = log( \frac{ m}{n})[/tex]

So, [tex]log y- log b= log(\frac{y}{b})[/tex]

=> [tex]log(\frac{ y}{b }) = -k \: log(x) [/tex]

Using the logarithm rule, log( x²) = 2log x

so, [tex]log( \frac{ y}{b }) = log(x^{-k}) [/tex]

Taking anti-logarithm both sides

=> [tex]\frac{y}{b} = x^{-k} [/tex]

=> y = b x⁻ᵏ

=>[tex]y = \frac{ b}{x^k}[/tex].

Hence, required solution is [tex]y = \frac{ b}{x^k}[/tex].

For more information about logarithmic equation visit :

https://brainly.com/question/25993029

#SPJ4

At time t, the position of a particle moving in the xy-plane is defined by its x-coordinate and y-coordinate. The x-coordinate represents the position of the particle along the x-axis, while the y-coordinate represents its position along the y-axis.

Together, these coordinates give us a point in the plane that represents the particle's position at time t.

To find the position of the particle at any given time t, we need to know its velocity and initial position. The velocity of the particle is the rate at which it is changing its position with respect to time. If we know the velocity, we can use it to determine how the particle's position is changing at each moment in time.

The initial position of the particle is the position it was at when we started measuring its motion. If we know the initial position and the velocity, we can use them to determine the position of the particle at any time t.

In summary, the position of a particle moving in the xy-plane at time t is defined by its x-coordinate and y-coordinate. To determine the position at any given time, we need to know the particle's initial position and velocity. By combining these factors, we can find the particle's position at any time during its motion.

learn more about motion here : brainly.in/question/6755808

#SPJ11

The dimensions of the rectangle with area 343 m2 and the smallest possible perimeter are 7m (smaller value) and 49m (larger value). True.

To find the dimensions of the rectangle with the smallest perimeter, we need to use the formula for the perimeter of a rectangle, which is P = 2l + 2w, where l and w are the length and width of the rectangle. We also know that the area of the rectangle is 343 m2, so we can write:

lw = 343

To find the smallest possible perimeter, we need to minimize the expression P = 2l + 2w subject to the constraint lw = 343. We can use the method of Lagrange multipliers to solve this optimization problem:

L = 2l + 2w - λ(lw - 343)

Taking partial derivatives with respect to l, w, and λ and setting them equal to zero, we get:

2 - λw = 0
2 - λl = 0
lw - 343 = 0

Solving for l and w, we get:

l = 7
w = 49

Substituting these values back into the expression for the perimeter, we get:

P = 2l + 2w = 2(7) + 2(49) = 112

Therefore, the dimensions of the rectangle with area 343 m2 and the smallest possible perimeter are 7m (smaller value) and 49m (larger value), and this is true.

Learn more about perimeter of rectangle here: brainly.com/question/4074407

#SPJ11

Using the R and S be arbitrary rings their Cartesian product is a ring if we define addition and multiplication in R x S.

The set of all ordered pairs/n-tuples of the sets is the cartesian product of two or more sets. Set theory is where it is used the most frequently. A deck of cards, chess sets, computer graphics, and other cartesian products can also be used to represent a variety of real-world items. Computers display the majority of digital images as pixels, which are graphical representations of cartesian products.

1. (r,s)x(r',s')=(r+r', s+s'). Because we know R and S are rings, it follows that r+r' and s+s' must be in R and S, respectively, which follows that

(r,s)x(r',s')=(r+r', s+s') is in RxS, so RxS is closed under addition.

((r,s)x(r',s'))x(r'',s'') = (r+r', s+s')x(r'',s'')=(r+r'+r'', s+s'+s'')=(r,s)x(r'+r'', s'+s'')=(r,s)x((r',s')x(r'',s'')), so addition is associative.

(r,s)x(0,0)=(r+0,s+0)=(0+r,0+s)=(0,0)x(r,s)=(r,s), so (0,0) serves as an additive identity (note that the first 0 is the additive identity in R, and the second is the identity in S).

=(r'+r,s'+s)=(r',s')x(r,s). Therefore, addition is commutative, and furthermore, RxS is an abelian group under the defined addition.

2.  (r,s)(r',s')=(rr',ss'). Because we know R and S are rings, it follows that rr' and ss' must be in R and S, respectively, which follows that (r,s)(r',s')=(rr', ss') is in RxS, so RxS is closed under multiplication.

((r,s)(r',s'))(r'',s'') = (rr', ss')(r'',s'')

=(rr'r'', ss's'')

=(r,s)(r'r'', s's'')

=(r,s)((r',s')(r'',s'')), so multiplication is associative.

(r,s)(1,1)=(r1,s1)=(1r,1s)=(1,1)(r,s)=(r,s), so (1,1) serves as the multiplicative identity (note that the first 1 is the multiplicative identity in R, and the second is the identity in S).

Learn more about Arbitrary rings:

https://brainly.com/question/29840353

#SPJ4

Therefore, the value of the test statistic is 1.71.

The test statistic calculates the standard errors that separate the sample percentage from the predicted population proportion. The null hypothesis, which in this case is that the genuine proportion of readers who own the specific make of automobile is not greater than 58%, is stronger evidenced by a larger absolute value of the test statistic.

We must apply the following formula to determine the test statistic's value:

Z = (P - p) / (p*(1-p)/n), where P is the sample proportion, p is the hypothesised population proportion (0.58 in this case), n is the sample size (300), and sqrt stands for the square root.

By replacing the given values, we obtain the following result, which is rounded to two decimal places: z = (0.62 - 0.58), (0.58 * 0.42 / 300), z = 1.71.

The test statistic is positive, which indicates that the sample percentage of 62% exceeds the population proportion predicted by 58%. The difference between the sample proportion and the predicted population proportion is 1.71 standard errors distant from the mean, according to the value of 1.71. This indicates that the sample proportion is statistically significant at the 0.02 level, but in order to draw a firm conclusion, we must compare it to the critical value.

To know more about test statistic,

https://brainly.com/question/14128303

#SPJ11

When asked how she spent her summer vacation, Millicent reported that she worked on a project which involved contacting a sample of over 70,000 U.S. households.

To measure the extent that people have suffered as a result of crime. Millicent worked on the project as part of her summer job or internship, likely in the field of criminology or sociology. Despite the project being work-related, it sounds like Millicent was dedicated and committed to her task, spending her summer vacation working hard to gather important data.
When asked how she spent her summer vacation, Millicent reported that she worked on a project involving contacting a sample of over 70,000 U.S. households to measure the extent that people have suffered as a result of crime. Millicent worked on a large-scale survey or study, specifically focusing on the impact of crime on households during her summer vacation.

Visit here to learn more about criminology:

brainly.com/question/5137629

#SPJ11

Answer: 7/74

Step-by-step explanation:

P(G)=15/37*14/36

      = 1/37*7/2

      = 7/74

More about probability :

https://brainly.com/question/27342429

The three pie charts differ in the functions they include based on the distribution of the wedges.

Even without considering the sizes of the wedges, we can see that the first pie chart includes three functions while the second includes four and the third includes five.

In the first pie chart, the wedges are distributed evenly, representing three different functions. On the other hand, in the second pie chart, the wedges are not evenly distributed, with one wedge taking up more space than the others. This indicates that one function is more prominent in the second pie chart. Finally, in the third pie chart, the wedges are distributed in a way that shows one function taking up almost half of the chart.

Therefore, even without considering the sizes of the wedges, we can tell that the three pie charts differ in which functions they include based on the distribution of the wedges.

The first pie chart represents an even distribution of functions, the second pie chart has one function being more prominent, and the third pie chart has one function being the most significant.

Learn more about pie charts here:

brainly.com/question/24207368

#SPJ11

Answer: We can use a one-sample t-test to determine whether the sample mean pulse rate of 67.7 bpm is significantly different from the hypothesized population mean of 69 bpm. The test statistic can be calculated as:

t = (sample mean - hypothesized population mean) / (standard deviation / sqrt(sample size))

Substituting the given values, we get:

t = (67.7 - 69) / (10.6 / sqrt(165))

t = -1.3 / 0.823

t ≈ -1.58

Therefore, the value of the test statistic is -1.58.

Step-by-step explanation:

We can solve the given equation for y in terms of x by treating it as a quadratic equation in y. To do so, we can use the quadratic formula, which states that for an equation of the form ax^2 + bx + c = 0, the solutions for x are given by:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

In this case, we can rearrange the equation to get:

9x^2y^2 - 12xy + 4 = 0

which can be written as:

(3xy)^2 - 2(3xy)(2) + 2^2 - 2^2 = 0

This is a quadratic equation in 3xy, which can be solved using the quadratic formula:

3xy = [2 ± sqrt(2^2 - 4(1)(-2^2))]/(2*1)

3xy = [2 ± sqrt(4 + 32)]/2

3xy = [2 ± 2sqrt(9)]/2

3xy = 1 ± 3

Therefore, we have two possible solutions:

3xy = 1 + 3 = 4 or 3xy = 1 - 3 = -2

Solving for y in terms of x, we get:

3xy = 4 => y = 4/(3x)

or

3xy = -2 => y = -2/(3x)

Therefore, the solutions to the given equation are:

y = 4/(3x) or y = -2/(3x)

It is important to review residual plots to identify any signs of changing variability and correlated observations in cross-sectional and time series studies. So, the correct answer is C. changing variability.

Residual plots are graphical tools used to assess the goodness of fit of a statistical model by examining the differences (residuals) between the observed values and the predicted values.

The residuals are the differences between the observed values and the values predicted by the model. By plotting the residuals against the predicted values, we can identify any patterns that indicate a lack of fit of the model to the data.

In particular, changing variability and correlated observations can indicate that the assumptions of the model are not met and that the model may not be appropriate for the data.

Therefore,

It is important to review residual plots to identify any signs of changing variability and correlated observations in cross-sectional and time series studies. So, the correct answer is C. changing variability.

Learn more about Residual plots at

https://brainly.com/question/18176137

#SPJ4

The pigeonhole principle states that if there are more pigeons than pigeonholes, then at least one pigeonhole must contain more than one pigeon. We can apply this principle to prove the following statements:

(a) Given any seven integers, there will be two that have a difference divisible by 6.

We can divide the integers into six pigeonholes based on their remainders when divided by 6: {0}, {1}, {2}, {3}, {4}, and {5}. Since there are seven integers, by the pigeonhole principle, at least two integers must belong to the same pigeonhole. If two integers belong to the same pigeonhole, then their difference will be divisible by 6.

(b) Given any five integers, there will be two that have a sum or difference divisible by 7.

We can divide the integers into six pigeonholes based on their remainders when divided by 7: {0}, {1}, {2}, {3}, {4}, {5}, and {6}. Since there are five integers, by the pigeonhole principle, at least two integers must belong to the same pigeonhole. If two integers belong to the same pigeonhole, then their sum or difference will be divisible by 7.

Note that if the two integers have the same remainder when divided by 7, then their difference will be divisible by 7. If they have different remainders, then their sum will be divisible by 7.

Visit here to learn more about pigeonhole principle brainly.com/question/31687163

#SPJ11

The average value of the function f(x) on the interval [-3, 3] is 1/7128.

An input and an output are connected by a function. It functions similarly to a machine with an input and an output. Additionally, the input and output are somehow connected. The traditional format for writing a function is f(x) "f(x) =... "

The average value of a function f(x) on an interval [a,b] is given by:

f_ave = 1/(b-a) * ∫[a to b] f(x) dx

Using this formula, we can find the average value f_ave of the function f(x) = x²/(x³ + 33)² on the interval [-3, 3] as:

f_ave = 1/(3-(-3)) * ∫[-3 to 3] x²/(x³ + 33)² dx

To evaluate this integral, we can use the substitution u = x³ + 33, which gives us du/dx = 3x² and dx = du/(3x²). Substituting these expressions in the integral, we get:

f_ave = 1/6 * ∫[(0+33) to (3³+33)] 1/u² du

f_ave = 1/6 * [-1/u] from 33 to 36

f_ave = 1/6 * [(1/33) - (1/36)]

f_ave = (1/198) - (1/216)

f_ave = 1/7128

Therefore, the average value of the function f(x) on the interval [-3, 3] is 1/7128.

Learn more about function on:

https://brainly.com/question/10439235

#SPJ4

The mean of this distribution is 3 and the standard deviation is 1.45 .To find the mean and standard deviation of a distribution, we need to use some standard formulas. For a binomial distribution, the mean is given by:

mean = n * p

where n is the number of trials and p is the probability of success in each trial.

The standard deviation is given by:

standard deviation = sqrt(n * p * (1 - p))

where sqrt() means square root.

So, if we have a random variable with a binomial distribution, we can find its mean and standard deviation using these formulas. For example, if we have a binomial distribution with n = 10 trials and p = 0.3 probability of success, we have:

mean = 10 * 0.3 = 3

standard deviation = sqrt(10 * 0.3 * (1 - 0.3)) = 1.45

Therefore, the mean of this distribution is 3 and the standard deviation is 1.45. We can use the same formulas for any other binomial distribution to find its mean and standard deviation.

Learn more about deviation here:

https://brainly.com/question/23907081

#SPJ11

The specific null and alternative hypotheses for a hypothesis test will depend on the research question being investigated and the type of data being analyzed.

What is the equivalent expression?

Equivalent expressions are expressions that perform the same function despite their appearance. If two algebraic expressions are equivalent, they have the same value when we use the same variable value.

For a two-tailed hypothesis test, an appropriate null hypothesis indicating that the population correlation is equal to zero would be:

H₀: ρ = 0

where ρ represents the population correlation coefficient.

This null hypothesis states that there is no significant correlation between the two variables being analyzed.

In a two-tailed hypothesis test, the alternative hypothesis would be that there is a significant correlation, either positive or negative, between the two variables:

Hₐ: ρ ≠ 0

This alternative hypothesis states that there is a significant correlation between the two variables, but does not specify the direction of the correlation.

It's important to note that the specific null and alternative hypotheses for a hypothesis test will depend on the research question being investigated and the type of data being analyzed.

Additionally, the choice of null and alternative hypotheses will affect the statistical power of the test, which is the probability of correctly rejecting the null hypothesis when it is false.

Hence, the specific null and alternative hypotheses for a hypothesis test will depend on the research question being investigated and the type of data being analyzed.

To learn more about the equivalent expression visit:

https://brainly.com/question/2972832

#SPJ4

Complete Question:

For a two-tailed hypothesis test, which of the following would be an appropriate null hypothesis indicating that the population correlation is equal to o?

A. H₀: 1 = 2, B. H₀ : M₁ = M₂ C. H₀: O = 0  

D. None of the options above are correct.

The school has $6,375 left to buy supplies for next year's play.

Let's "a" represents the number of adults and "c" represents the number of children. We can then use these variables to represent the amount of money collected from their tickets.

The amount of money collected from adults is given as $8 for each adult's ticket. So, the total amount collected from adults can be represented as 8a. Similarly, the amount of money collected from children is given as $3 for each child's ticket. So, the total amount collected from children can be represented as 3c.

We are also given that there were 80 adults and 20 children at the school play. We can use these numbers to create two equations:

a + c = 100 (equation 1)

80a + 20c = total amount collected from tickets (equation 2)

By using substitution method to solve these equations. We can rearrange equation 1 to get c in terms of a:

c = 100 - a

We can then substitute this expression for c in equation 2:

80a + 20(100 - a)

Simplifying the above equation, we get:

60a + 2000 = total amount collected from tickets

We know that $125 was donated to the local theater program. So, the amount of money left to buy supplies for next year's play can be represented as:

total amount collected from tickets - $125

Substituting the value of total amount collected from tickets from the above equation, we get:

60a + 2000 - $125

Simplifying the above equation, we get:

60a + 1875 = amount left to buy supplies

By substituting the value of "a" from equation 1 to get:

60(80) + 1875 = amount left to buy supplies

Simplifying the above equation, we get:

$6,375 = amount left to buy supplies

Therefore, the school has $6,375 left to buy supplies for next year's play.

To know more about Equations here

https://brainly.com/question/10413253

#SPJ4

Complete Question is There were 80 adults and 20 children at a school play. The school collected $8 for each adult's ticket and $3 for each child's ticket. The school donated $125 of the money from tickets to local theater program and used the remaining money to buy supplies for next year's school play. How much money does the school have to buy supplies for nest year's play?  

To find the area between two z-scores, we look up the area to the right of each value and subtract the smaller area from the larger area.

The number of standard deviations from the mean is simply defined as a z score. The z-score is determined by subtracting the mean from the test value and dividing it by the standard value.

To find the area between two z-scores, we first need to find the standard normal distribution values (Z-scores) for the given values using the standard normal distribution table. Once we find the Z-scores, we can look up the area to the left of each value in the standard normal distribution table. We subtract the smaller area from the larger area to get the area between the two Z-scores.

For example,

If we want to find the area between Z = 1.5 and Z = 2.0, we would first look up the area to the left of Z = 1.5 and Z = 2.0 in the standard normal distribution table. Let's say we find that the area to the left of Z = 1.5 is 0.9332 and the area to the left of Z = 2.0 is 0.9772. To find the area between these two Z-scores, we subtract the smaller area from the larger area, which gives us:

Area between Z = 1.5 and Z = 2.0 = 0.9772 - 0.9332 = 0.0440

Therefore, the area between Z = 1.5 and Z = 2.0 is 0.0440.

Therefore, to find the area between two z-scores, we look up the area to the right of each value and subtract the smaller area from the larger area.

Learn more about z-score on:

https://brainly.com/question/29367643

#SPJ4

Answer:

opposite operation

Step-by-step explanation:

divide 35 by 5 so x=7

B. Translation and C. Rotation are the transformations that can be used to justify that the squares are congruent.

The translation is a rigid transformation that preserves distance and orientation, so if we translate one square to overlap with the other square, the two squares will be congruent.

Rotation is also a rigid transformation that preserves distance and orientation. By rotating one square around the shared side until it matches the orientation of the other square, the two squares will be congruent.

Reflection and dilation do not preserve orientation, so they cannot be used to show that the squares are congruent. And rotating and then dilating would change the size of one of the squares, so this transformation cannot be used to show that the squares are congruent.

Learn more about transformations:

https://brainly.com/question/1548871

#SPJ4