Yall i swear im not smart or smth please yall explain on how to do 65.900-23.477

The given statement "The probability of winning a lottery is .0000000012. The Law of Large Numbers says that because this probability is so small, no one should ever win a lottery." is False because the Law of Large Numbers does not state that an event with a small probability will never occur.

In fact, the law states that as the number of trials increases, the observed frequency of an event will approach the theoretical probability of that event. So, while the probability of winning a lottery may be very small, if enough people play the lottery over a large number of trials, it is expected that some people will win.

Additionally, the Law of Large Numbers does not apply to a single event but rather to the long-term frequency of an event over a large number of trials. Therefore, it is not accurate to use the Law of Large Numbers to make predictions about individual lottery outcomes.

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Check the picture below.

When printing a newspaper, you are most likely to use a line screen setting of 85 lpi (lines per inch).

(i) The probability of both events A and B happening, P(A and B), is 0.12. (ii) The probability of either event A or event B happening, P (A or B), is 0.58.

First, let's define what it means for events to be independent. Two events A and B are independent if the occurrence of one event does not affect the probability of the occurrence of the other event. In other words, the probability of both events occurring together is equal to the product of their individual probabilities: P (A and B) = P(A) x P(B).

Using this formula, we can find the probability of both events occurring together:
P (A and B) = P (A) x P(B) = 0.3 x 0.4 = 0.12

Now let's find the probability of either event occurring. We can use the formula P (A or B) = P (A) + P(B) - P(A and B).
We already know that P(A) = 0.3 and P(B) = 0.4, and we just found that P (A and B) = 0.12. Plugging those values into the formula, we get:
P (A or B) = 0.3 + 0.4 - 0.12 = 0.58
So, the probability of either event occurring is 0.58.
In summary:
(i) P (A and B) = 0.12
(ii) P (A or B) = 0.58

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let firstly convert the mixed fraction to improper fraction, then get their product.

[tex]\stackrel{mixed}{1\frac{1}{2}}\implies \cfrac{1\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{3}{2}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{3}{2}\cdot \cfrac{2}{3}\implies 1\qquad \textit{one whole pizza}[/tex]

If we want to select r items from n items, and the order of the arrangement is important, then permutations are used. Permutations are a way of counting the number of ways to arrange a set of objects where order matters.

The number of permutations is denoted by nPr, where n is the number of items and r is the number of items selected. The formula for permutations is n! / (n-r)!, where n! is the factorial of n, which is the product of all positive integers from 1 to n. Permutations are used in a variety of fields, such as mathematics, statistics, computer science, and cryptography.

For example, in cryptography, permutations are used to create secure encryption keys. In statistics, permutations are used to calculate probabilities and make predictions. In computer science, permutations are used in algorithms for sorting, searching, and data analysis. Overall, permutations are a powerful tool for analyzing and manipulating data sets where the order of the arrangement is important.

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Answer: To find the area of the walkway surrounding the circular garden, we need to subtract the area of the circular garden from the area of the larger circle that includes the garden and the walkway.

The diameter of the larger circle is equal to the diameter of the garden plus the width of the walkway on both sides, which is 1 meter on each side. So the diameter of the larger circle is:

10 + 1 + 1 = 12 meters

The radius of the larger circle is half of its diameter, which is:

12 / 2 = 6 meters

The area of the larger circle is:

πr^2 = π(6)^2 = 36π square meters

The radius of the circular garden is half of its diameter, which is:

10 / 2 = 5 meters

The area of the circular garden is:

πr^2 = π(5)^2 = 25π square meters

Therefore, the area of the walkway surrounding the circular garden is the difference between the area of the larger circle and the area of the circular garden:

Area of walkway = Area of larger circle - Area of circular garden

= 36π - 25π

= 11π square meters

So the area of the walkway is 11π square meters.

Answer:

my answer is A

Step-by-step explanation:

if you work out the equation where you know that at the x intercept y=0 you will find A to be true

The number of randomly presented items that children can repeat immediately after the items are presented is called their immediate memory span or short-term memory capacity.

The number of randomly presented items that children can repeat immediately after the items are presented is called their immediate memory span or short-term memory capacity.

The capacity of short-term memory is limited and varies from person to person and depending on the complexity of the information being presented.

The typical range of immediate memory span for children is around 5 to 9 items, with older children and adults having a slightly larger capacity.

However,

Some individuals with exceptional memory abilities, such as memory athletes, can recall significantly more items in short-term memory.

Factors that can affect short-term memory capacity include the nature of the items being presented their familiarity or meaningfulness, the duration of the presentation and the individual's level of attention and working memory capacity.

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The equation of the parabola in vertex form is y = (1/20)(x + 7)^2 + 1.

To write the equation of a parabola in vertex form, we use the equation:

y = a(x - h)^2 + k

where (h, k) represents the vertex of the parabola.

Given that the vertex is (-7, 1), we have h = -7 and k = 1. Substituting these values into the equation, we get:

y = a(x + 7)^2 + 1

Now, we need to find the value of 'a' to complete the equation. Since the parabola passes through the point (10, 309/20), we can substitute these coordinates into the equation:

309/20 = a(10 + 7)^2 + 1

309/20 = a(17)^2 + 1

309/20 = a(289) + 1

309/20 = 289a + 1

To simplify the fraction, we multiply both sides by 20:

309 = 20(289a + 1)

309 = 5780a + 20

Now, we solve for 'a':

5780a = 309 - 20

5780a = 289

a = 289/5780

a = 1/20

Substituting this value of 'a' back into the equation, we have:

y = (1/20)(x + 7)^2 + 1

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Homoscedasticity refers to the pattern of covariation that is constant around the regression line, whether the values are small, medium, or large.

Regression line is defined as the line which is used to estimate the unknown relationship between two variables and the relationship is linear.

The equation of this line is used to find or predict the value of one of the variable from the other.

Homoscedasticity is something which assumes that the variances are equal for different groups.

So, this refers to the pattern of covariation that is constant around the regression line, whether the values are small, medium, or large.

Hence the correct term is Homoscedasticity.

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The left circle represents isosceles triangles.

An isosceles triangle is described as  a triangle that has two sides of equal length.

In the area of the organizer where the circles meet, an isosceles and obtuse triangle would be appropriate

A triangle is also described as  a three-sided geometric shape whose internal angles added together shouldn't be greater than 180°.

We should note that the two sides and the two sharp angles of an isosceles right triangle are equal.

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Aloioi

Step-by-step explanation:

Answer:

C (-6, -1)

Step-by-step explanation:

The area between the two curves f(x) and g(x) over the interval [0, 3] is 4.5 square units. To calculate the area between the two curves f(x) = 14x + x^2 - 2x^3 and g(x) = x^2 - 4x, we need to follow these steps:

1. Find the points of intersection: Set f(x) = g(x) and solve for x.

14x + x^2 - 2x^3 = x^2 - 4x

Rearrange the equation:

2x^3 - 18x = 0

Factor out 2x:

2x(x^2 - 9) = 0

Solve for x:

x = 0, x = 3, x = -3

2. Determine the interval: The points of intersection are x = -3, x = 0, and x = 3. We'll consider the interval [0, 3] for this problem.

3. Set up the integral: To find the area between the curves, we'll integrate the difference between the functions over the interval [0, 3]:

Area = ∫[f(x) - g(x)] dx from 0 to 3

Area = ∫[(14x + x^2 - 2x^3) - (x^2 - 4x)] dx from 0 to 3

Simplify the integrand:

Area = ∫(10x - 2x^3) dx from 0 to 3

4. Integrate and evaluate: Find the antiderivative and evaluate it at the limits of integration:

Area = [5x^2 - (1/2)x^4] from 0 to 3

Area = (5(3)^2 - (1/2)(3)^4) - (5(0)^2 - (1/2)(0)^4)

Area = (45 - 40.5) - (0)

Area = 4.5

Therefore, The area between the two curves f(x) and g(x) over the interval [0, 3] is 4.5 square units.

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According to the data in the table, blue and gold are the two colors most likely to be the school colors of Amarjit's high school.

The table displays the results of a survey in which 600 students were asked to choose their school colors. Out of the six options presented, blue was the most popular choice with 210 students selecting it, while gold was the second most popular with 180 students selecting it. While other colors were also selected, none of them were chosen by more than 100 students, making it unlikely that they would be the primary school colors. However, it is important to note that there may be other factors that influence the selection of school colors, such as tradition or community preferences, which are not reflected in the survey data.

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Based on the data in the table, which two colors are most likely the school colors of Amarjit's high school?

Answer:  Modern dance is a team-based practise that needs participants to move in rhythmic sequences. Choreographed routines in modern dance frequently entail dancers synchronising and coordinating their movements, which are frequently rhythmical and expressive. Baseball, downhill skiing, and competitive swimming all demand teamwork and coordination, yet these sports don't frequently incorporate rhythmic movement patterns.

Step-by-step explanation:

Answer:

Dependent

Step-by-step explanation:

This event is dependent, because the probability of grabbing a second shoe depends on whether or not you've already grabbed a shoe. If you haven't grabbed a shoe yet, the probability of grabbing a second shoe is zero. If you have already grabbed a shoe, the probability of grabbing a second shoe is 1 (assuming you have at least two shoes in your closet).

The seventh-grade class supplied 175 bags of snacks and 225 beverages for the school dance.

Finding the number of bags of snacks and beverages:

Let's assume that the number of bags of snacks supplied by the seventh-grade class is represented by 'x'. Since the number of beverages supplied is 50 more than the number of bags of snacks, we can represent the number of beverages supplied as 'x + 50'.

The total number of items supplied is 400, so we can write:

x + (x + 50) = 400

Simplifying this equation, we get:

2x + 50 = 400

Subtracting 50 from both sides, we get:

2x = 350

Dividing both sides by 2, we get:

x = 175

Therefore, the number of bags of snacks supplied by the seventh-grade class is 175. Using the fact that the number of beverages supplied is 50 more than the number of bags of snacks, we can calculate the number of beverages supplied as:

x + 50 = 175 + 50 = 225

Therefore, the number of beverages supplied by the seventh-grade class is 225.

So, the seventh-grade class supplied 175 bags of snacks and 225 beverages for the school dance.

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The number of F ratios which calculated in a 3 way ANOVA is 7.

So, the correct answer is C.

In a three-way ANOVA, which involves three independent variables, a total of 7 F ratios are calculated.

This includes the main effect of each independent variable (3 F ratios), the two-way interactions between the independent variables (3 F ratios), and the three-way interaction between all three independent variables (1 F ratio).

Thus, the correct answer is c. 7 F ratios.

These F ratios help in determining the significance of each factor and interaction effect on the dependent variable in the analysis.

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srry if bad quality

The graph of f is both decreasing and concave down on the interval (9, infinity). Therefore, the correct answer is (D).

To determine where the graph of f is both decreasing and concave down, we need to analyze the first and second derivatives of f.

First derivative:

f'(x) = x² - 8x - 9

Second derivative:

f''(x) = 2x - 8

The graph of f is decreasing when f'(x) < 0, and concave down when f''(x) < 0.

To find where the graph of f is both decreasing and concave down, we need to look for where f'(x) < 0 and f''(x) < 0 simultaneously.

f'(x) < 0 when x < -1 or x > 9.

f''(x) < 0 when x < 4.

Therefore, the graph of f is both decreasing and concave down on the interval (9, infinity).

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According to Dr. Greg Tuggle's model, after 14 days, there are predicted to be approximately 29.35 (or about 29) infected people.

The formula f(x) = (2.025)x + 1 represents the predicted number of infected people as a function of the number of days since a particular strain of COVID was found.

To find how many people are infected after 14 days, we need to evaluate the function f(x) at x = 14:

f(14) = (2.025)14 + 1

f(14) = 28.35 + 1

f(14) = 29.35

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The vertex form of the parabola is y = 2(x-1)² + 3.

We have,

Vertex = (1, 3)

passing point (-1, 11)

Use the vertex form of the quadratic:

y = a(x - h)² + k

Here h = 1 and k = 3

So, 11 = a(-1 -1)² + 3

11 = 4a² + 3

8 = 4a²

a² = 8/4

a² = 4

a =2

Then, the vertex form of parabola is

y = 2(x-1)² + 3

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The points that lie on the circle are:

(4, 6)

(-4, 6)

The points that lie on the circle are:

(4,6)

(-4,6)

Let's take the point (6,6) as an example.

To see if this point lies on the given circle, we can use the distance formula to find the distance between the center of the circle (4,6) and the point (6,6):

[tex]distance = \sqrt{(6-4)^2 + (6-6)^2} = \sqrt{2^2 + 0^2} = 2[/tex]

Since the radius of the circle is 10, and the distance between the center and the point is 2, we know that the point is not on the circle.

Therefore, (6,6) is not a point on the circle with center (4,6) and radius 10.

One point on the circle is (4, 16). To see why, we can use the distance formula to calculate the distance from the center of the circle at (4, 6) to the point (4, 16):

[tex]d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2)}\\\\d = \sqrt{(4 - 4)^2 + (16 - 6)^2}\\\\d = \sqrt{10^2}\\\\d = 10[/tex]

Since the distance from the center to the point is equal to the radius of the circle, (4, 16) must lie on the circle.

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Complete question:

The 12th term of the arithmetic sequence is -66.

We have,

The nth term of an arithmetic sequence can be found by the formula

an = a1 + (n-1) d,

where a1 is the first term, d is the common difference, and n is the term number.

To find a(12),

we can plug in a1 = 11, d = -7, and n = 12 into the formula:

So,

a12 = a1 + (n-1)d

a12 = 11 + (12-1)(-7)

a12 = 11 + 11(-7)

a12 = 11 - 77

a12 = -66

Therefore,

The 12th term of the arithmetic sequence is -66.

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The type of scale used to evaluate the food at a new restaurant on 7-point scales with bipolar adjectives such as good-bad and inexpensive-expensive is known as a Likert scale.

This type of scale is commonly used in surveys to measure attitudes and opinions towards a particular topic, in this case, the food at a new restaurant. A Likert scale consists of a series of statements or adjectives that respondents are asked to rate on a scale that ranges from strongly disagree to strongly agree or, in this case, from bad to good and from inexpensive to expensive.

The bipolar adjectives used in the scale allow for a clear distinction between the positive and negative aspects of the food, which helps to ensure that the responses are more accurate and meaningful. The 7-point scale provides a wider range of options than a binary scale, which allows for more nuanced and detailed responses.

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Answer:

1539/4 (improper fraction) or 384 3/4 (simplified fraction)

Step-by-step explanation:

To find the improper fraction, write 384.75 as a fraction:

384.75/1

Then, since you have 2 decimal places after the ., multiply the entire fraction by 100:

38475/100

Next, find the GCF, which is 25, and simplify this fraction to find the final improper fraction:

1539/4

To find the simplified fraction, we already have the whole number, 384, so we have to convert 0.75 to a fraction which is 3/4, because 0.75 is 3/4 of 100:

384 3/4

Hope this helps :)

Answer:

110°

Step-by-step explanation:

Sum of interior angles : 360

360-120-130 = 110

TRUE.

When calculating a p-value, we always assume that the null hypothesis is true.TRUE/FALSE

The statement "When calculating a p-value, we always assume that the null hypothesis is true"

Answer: TRUE.

When calculating a p-value, we assume that the null hypothesis is true and use it as a basis for determining the probability of obtaining the observed sample results or more extreme results, assuming that the null hypothesis is true. If the resulting p-value is small (e.g., less than the chosen significance level), we reject the null hypothesis in favor of the alternative hypothesis. If the p-value is large, we fail to reject the null hypothesis. So, the null hypothesis serves as the reference point for calculating the p-value and making a decision about the hypotheses.

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