consider the following data from two independent samples. construct a onfidence interval to estimate the difference in population proportions.
x1 = 90 n1 100 x2 80 P2=100 The 99% confidence interval is ) (Round to four decimal places as needed.)

The results of the expressions are as follows: num1 + num2 = 17; num3 - num4 = 7; num1 * num4 - num2 = 31; num3 / num2 = 2; num1 % num4 = 0.

To determine the results of the expressions, we can evaluate them using the given assignments:

num1 + num2:

Result: 12 + 5 = 17

num3 - num4:

Result: 10 - 3 = 7

num1 * num4 - num2:

Result: 12 * 3 - 5 = 31

num3 / num2:

Result: 10 / 5 = 2

num1 % num4:

Result: 12 % 3 = 0

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Answer:

2 * 50/(y + 8)

Step-by-step explanation:

"twice the quotient of 50 and a sum of a number y and 8"

y + 8

"twice the quotient of 50 and a sum of a number y and 8"

50/(y + 8)

"twice the quotient of 50 and a sum of a number y and 8"

2 * 50/(y + 8)

Answer:

2*50/ (8+y)

Step-by-step explanation:

twice the quotient of 50=2*50 divided by something

the sum of a number= y and 8

So... 2*50/ (8+y) is the answer

Answer:

It will be located in the explanation

Step-by-step explanation:

Answer:

your answer would be A I think

Answer:

i did not understand but i think its

-3/5 i'm not sureeeeeeeee

Step-by-step explanation:

Answer:

distance from P to the plane  = 8957.6 m

Step-by-step explanation:

sin23 = 3500 / distance from P to the plane

distance from P to the plane  = 8957.6 m

The statement is True. Multidimensional scaling positions objects in a perceptual space based on their similarities or dissimilarities.

The statement is True. Multidimensional scaling (MDS) does address the general problem of positioning objects in a perceptual space. MDS is a statistical technique used to analyze and visualize the similarities or dissimilarities between a set of objects.

It aims to represent the relationships between objects in a lower-dimensional space, often referred to as a perceptual or psychological space, based on their similarities or dissimilarities. This allows for the visualization and interpretation of complex data in a simplified manner.

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The box plot that represents these data is Option B because the centre of measure falls on 4.

To find the median, we first arrange the study hours in ascending order:

2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7.

From here, we have 15 numbers, so the median is the 8th number in the list which is 4.

As the median study hours for Mr. Jeffer's math class is 4 hours per week, then, the box plot that represents these data is B because the centre of measure falls on 4.

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The total number of tasks Terrence completed. By substituting the value of 'x' with the number of tasks Terrence completed

The factor 'x' in the expression '90x - 20' represents the total number of tasks that Terrence completed in the game.

To understand why, let's break down the given information. It states that Shelly and Terrence completed a different number of tasks. Shelly earned 90 points on each task, so the total number of tasks she completed is not represented by 'x'.

On the other hand, Terrence's total points were 20 less than Shelly's total. This means that Terrence's total points can be calculated by subtracting 20 from Shelly's total points. Since Shelly earned 90 points on each task, her total points would be 90 multiplied by the number of tasks she completed.

So, the expression '90x - 20' represents Terrence's total points in the game, where 'x' represents the total number of tasks that Terrence completed. By substituting the value of 'x' with the number of tasks Terrence completed, we can calculate his total points.

Therefore, the correct answer is: The total number of tasks Terrence completed.

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The probability that Jan will be picked on Friday is 1/19.

The number of students in the class is 23. It is given that each day for a week (Monday to Friday), a student in Jan's class is randomly selected to explain how to solve a homework problem. Once a student has been selected, he or she is not selected again that week.

Jan wasn't one of the four students selected earlier this week. So, the number of students left who can be selected are 23-4 = 19.

The probability that Jan will be picked on Friday is one divided by the number of students left whose turn hasn't come yet.

P = 1/19

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You can determine the percentage of vineyards over 210 acres by following these steps:

Your answer will be in the format: "Approximately X% of these vineyards are over 210 acres." Remember to replace X with the actual calculated percentage based on the histogram data.

Based on the histogram showing the sizes of 40 vineyards in acres, it is difficult to give an exact percentage of vineyards that are over 210 acres without knowing the exact distribution of the data. However, we can estimate the percentage by examining the height of the bars on the histogram.

If there are only a few bars that reach or exceed 210 acres, it is likely that less than 25% of the vineyards are over 210 acres. On the other hand, if there are several bars that reach or exceed 210 acres, it is possible that more than 50% of the vineyards are over 210 acres. Therefore, to give an accurate estimate of the percentage of vineyards over 210 acres, we would need to see the exact distribution of the data on the histogram.

The answer is general as no additional information is provided.

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Write a function which accepts a nested list of integers and returns the count of all the integers greater than 0. This can be done in a recursive manner by first flattening the nested list and then counting all the integers that are greater than 0.The function can be implemented using any programming language such as Python, Java, or C++.

A nested list is a list that contains other lists. It is a common data structure used in programming languages such as Python, LISP, and Scheme. The task at hand is to write a function that accepts a nested list of integers and returns the count of all the integers greater than 0. To accomplish this task, we can use a recursive approach. The first step is to flatten the nested list into a single list. This can be done by recursively iterating through the list and adding each element to a new list.

Once we have a single list, we can count all the integers that are greater than 0 using a loop or list comprehension. Finally, we return the count as the output of the function. Here is an implementation of the function in Python: def count_positive(lst): flat_list = [] for i in lst: if type(i) == list: flat_list. extend(count _ positive(i)) else: flat _ list. append(i) return len([x for x in flat_list if x > 0])The above function takes a nested list as an argument and returns the count of all the integers greater than 0.

The function first flattens the list and then counts all the integers that are greater than 0 using a list comprehension. The function can be tested using the example given in the question:>>> count_positive([[6,[-3,[1]]],[4,-1,[[0],5]]])5In the above example, there are five integers greater than 0 in the nested list. Therefore, the output of the function is 5.

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The quotient of 38.5 ÷ 0.35 is 11.We can determine this by dividing 385 by 35, which gives us 11 as the quotient.

To solve 38.5 = 0.35, first multiply the divisor and the dividend by 100 (the smallest power of 10 such that all digits to the right of the decimal point are integers).38.5 x 100 = 3850 and 0.35 x 100 = 35Then we can rephrase the equation as: 3850 ÷ 35 = (38.5 ÷ 0.35)Now we need to perform the division and then simplify,The quotient is 110. Hence, the answer is: The quotient is 110.  

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Answer:

d. x = 1/3 (5y - 2)

Step-by-step explanation:

5y = 3x + 2 (subtract 5y and 3x on both sides)

-3x = -5y + 2 (divide by -3 or multiply by 1/3)

x = 1/3 (5y - 2)

Annual Medical cost = 1269.86

monthly premium cost to Ronald for the Blue Shield plan = $48.48.

For all doctor office visits, prescriptions, and major medical charges, Ronald will be responsible for 35 percent and the insurance company will cover 65 percent of covered charges.

The annual deductible cost = $630.

Ronald decided to review his medical bills from the previous year to see what costs he had incurred and to help him evaluate his choices. He visited his general physician 6 times during the year at a cost = $105 for each visit.

He also spent $71 and $95 on two prescriptions during the year.

= (Monthly premium cost × 12) + Deductible cost + (Coinsurance percent × Coinsurance expenses)

= (48.48 x 12) + 630 + (0.35 x 166)

= 1269.86

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To determine if there is convincing evidence of an association between environmental club membership and snowmobile use for the population of visitors to Yellowstone National Park, we can follow a four-step process:

Step 1: State the hypotheses.

The null hypothesis (H₀) states that there is no association between environmental club membership and snowmobile use. The alternative hypothesis (H₁) states that there is an association between environmental club membership and snowmobile use.

Step 2: Set the significance level.

We need to set a significance level (often denoted as α) to determine the threshold for accepting or rejecting the null hypothesis. Let's assume a significance level of α = 0.05, which is a common choice.

Step 3: Compute the test statistic and p-value.

To analyze the association between environmental club membership and snowmobile use, we can conduct a chi-square test of independence on the given two-way table. This test compares the observed frequencies to the expected frequencies under the assumption of independence.

Using the given table, we can calculate the chi-square test statistic and the corresponding p-value.

Step 4: Make a decision.

If the p-value is less than the significance level (α), we reject the null hypothesis and conclude that there is convincing evidence of an association between environmental club membership and snowmobile use. Otherwise, if the p-value is greater than or equal to α, we fail to reject the null hypothesis.

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Answer:

Postulate 5, The Parallel postulate: If a straight line intersects two other straight lines, and so makes the two interior angles on one side of it together less than two right angles, then the other straight lines will meet at a point if extended far enough on the side on which the angles are less than two right angles.

The parallel postulate is needed to derive the elements, but it seems too complex.

1. Georgia's ACT Math score in the 90th percentile places her in the top 10%. 2. Approximating Georgia's ACT Math score within two tenths on a scale of 1 to 36. 3. Percentiles vary based on score distribution and test-taker performance, influencing the interpretation of individual scores.

1. In the context of Georgia's ACT Math score being in the 90th percentile, it means that Georgia performed better than approximately 90% of the test-takers who took the ACT Math section. Her score is among the top 10% of all test-takers who took the exam.

2. To approximate Georgia's Math score on the ACT within two tenths of a point. The ACT Math section is scored on a scale of 1 to 36, with 36 being the highest possible score.

3. Percentiles are calculated based on the distribution of scores among test-takers, and they depend on the specific score range and the performance of other test-takers.

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Answer:

C.

Step-by-step explanation:

You would take your servings (3) and multiply it by .20.

The, you would just add the 70 into the equation.

3 x .20 = .60, 70 + .60 is 70.60 :)

Hope this helps!

Answer:

there are 5 sections

Step-by-step explanation:

and how you want us to help?:))

Answer:

B

Step-by-step explanation:

The equation c = 100 + 5C represents the cost c of a book bag order depending on the number of bags option (B)  c=5n+100 C is correct.

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

A company makes a book bag and charges a one-time design fee of $100 and then $5 for each bag made.

C is the number of the book bag.

The fixed cost/one-time design fee = $100

Total cost c = 100 + 5C

Thus, the equation c = 100 + 5C represents the cost c of a book bag order depending on the number of bags option (B)  c=5n+100 C is correct.

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The slope of the line at 225° from the x-axis is equal to the tangent of 225°, which is y/x.

To show that the slope of a line at 225° from the x-axis is equal to the tangent of 225°, we can use the relationship between the slope of a line and the tangent of the angle it makes with the x-axis.

The slope of a line is defined as the change in the y-coordinate divided by the change in the x-coordinate between two points on the line. The tangent of an angle is defined as the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle in a right triangle.

In this case, the angle of interest is 225°. We can imagine a right triangle where the angle of 225° is formed between the x-axis and a line in the counterclockwise direction. Let's consider a point P on this line.

The slope of the line can be calculated by selecting another point Q on the line close to point P. The change in the y-coordinate (vertical change) is the difference between the y-coordinates of points P and Q, and the change in the x-coordinate (horizontal change) is the difference between the x-coordinates of points P and Q.

Let's assume that the coordinates of point P are (x, y). We can express the change in the y-coordinate as y - 0 = y and the change in the x-coordinate as x - 0 = x.

Now, let's consider the right triangle formed by the x-axis, the line segment from the origin to point P, and the y-axis. The angle at point P (225°) is the same as the angle formed between the line and the x-axis.

In this triangle, the length of the side opposite the angle (side y) is equal to y, and the length of the side adjacent to the angle (side x) is equal to x. Therefore, the tangent of the angle is given by the ratio of y to x, which is y/x.

Since the slope of the line is equal to the change in y divided by the change in x, we have:

Slope = (change in y) / (change in x) = y / x.

In summary, by considering the relationship between the slope of a line and the tangent of the angle it makes with the x-axis, we have shown that the slope of a line at 225° from the x-axis is equal to the tangent of 225°.

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5

9x⁵=5

5y³=3

so 5>3=5

pls mark me as brainlist

Answer:

128.75

Step-by-step explanation:

Answer: 128.75

Step-by-step explanation: you do 30% of 168.74 which is 50.62 then subtract it from 168.74 which is 118.12 then get 9% of 118.12 and add it to the 118.12 and that is 128.75

Answer:

\(\large \boxed{\$148.50}\)

Step-by-step explanation:

Regular pay       = $11/h

Time and-a half = 1½ × regular pay = 1½ × $11/h = $16.50/h

\(\text{Overtime} = \text{9 h} \times \dfrac{\$ 16.50}{\text{1 h }} = \mathbf{\$148.50}\\\\\text{Ariel's overtime earnings will be $\large \boxed{\mathbf{\$148.50}}$}\)

Bayes' Theorem is a mathematical theorem that enables the revision of prior probabilities based on new information or evidence.

This theorem is widely used in statistics, machine learning, and other fields that deal with uncertainty and probabilistic reasoning. Contrary to the first option mentioned in the question,

Bayes' Theorem can be used when conditional probabilities are known, and it enables the calculation of posterior probabilities, which is the probability of a hypothesis or event given the available evidence.

Therefore, the third option is correct; Bayes' Theorem enables the use of sample information to revise prior probabilities. This theorem is highly valuable because it allows the integration of new data or knowledge into the decision-making process,

which can lead to more accurate predictions and better-informed decisions. In summary, Bayes' Theorem is a powerful tool that requires knowledge of probabilities and enables the calculation of posterior probabilities based on new evidence or information.

By combining prior probabilities with likelihoods (based on new data), we can calculate posterior probabilities, which represent our updated knowledge.

This process is crucial in making informed decisions in various fields, such as data science, finance, and medical diagnosis.

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Answer:

She completed 23 questions

Step-by-step explanation:

3/8(40/1) = 120/8  Divide 120 by 8 to get 15

15 + 8 = 23

If the range of X is the set {0,1,2,3,4,5,6,7,8} and P(X=x), then the,

(a) Mean = 3.42544

(b) Variance = 7.91

Given data,

If the range of X is the set {0,1,2,3,4,5,6,7,8} and P(X=x) as defined in the following table:

x              0         1               2                  3          4          5         6        7     8      

P(X=x)    0.06528   0.3870     0.03062       0.0968      0.06913        0.0968      0.04846                0.01252            0.1935

Mean = Σ \(x p(x)\)

Mean = (0 * 0.06528) + (1*0.3870) + (2*0.03062) + (3*0.0968) + (4*0.06913) + (5*0.0968) + (6*0.04846) + (7*0.01252) + (8*0.1935)

Mean = 0 + 0.3870 + 0.06124 + 0.2904 + 0.2765 + 0.484 + 0.2907 + 0.0876 + 1.548

Mean = 3.42544

Mean = Σ \(x p(x)\) = 3.42544

Σ \(x^{2} p(x)\) = (0 * 0.06528) + (\(1^{2}\)*0.3870) + (\(2^{2}\)*0.03062) + (\(3^{2}\)*0.0968) + (\(4^{2}\)*0.06913) + (\(5^{2}\)*0.0968) + (\(6^{2}\)*0.04846) + (\(7^{2}\)*0.01252) + (\(8^{2}\)*0.1935)

Σ \(x^{2} p(x)\) = (0 * 0.06528) + (1*0.3870) + (4*0.03062) + (9*0.0968) + (16*0.06913) + (25*0.0968) + (36*0.04846) + (49*0.01252) + (64*0.1935)

Σ \(x^{2} p(x)\) = 0 + 0.3870 + 0.1224 + 0.8712 + 1.106 + 2.42 + 1.744 + 0.613 + 12.38

Σ \(x^{2} p(x)\) = 19.6436

Variance = Σ \(x^{2} p(x)\) - ( Σ \((xp(x))^{2}\))

Variance = 19.6436 - \((3.42544)^{2}\)

Variance = 19.6436 - 11.7336

Variance = 7.91

Therefore,

If the range of X is the set {0,1,2,3,4,5,6,7,8} and P(X=x), then the,

(a) Mean = 3.42544

(b) Variance = 7.91

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Answer:

\(\frac{x-2}{5}\)

Step-by-step explanation:

The inverse function of the function g(x)=5(x-2) is g(x)⁻¹= [( x/5 )+2 )].

A function is defined as the expression that set up the relationship between the dependent variable and independent variable.

The inverse function is calculated as:-

y = 5 ( x - 2 )

Replace the variables with each other in the equation.

x = 5 ( y - 2 )

( x/5 ) = y - 2

y = ( x/5 ) + 2

Therefore, the inverse function of the function g(x)=5(x-2) is g(x)⁻¹= [( x/5 )+2 )].

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The expected number of unaffected kittens should be 84

Find the below calculation of chi square:

Category   Affected Unaffected Total

Observed values   44                 84                 128

Expected Ratio         1                  3                   4

Expected Values, E  32             96

Deviation, D              12              -12

Deviation Squared     14            144

D^2/E                           4.5      1.5                  6

X^2                               6  

Degrees of freedom                       -                  1

Unaffected number of kittens:

Observed values for Affected=44

Total=128

25% of the 128 are affected.

The unaffected proportion is,

Total-Observed values for Affected kittens

=128-44

=84

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