ist11121314151617hKDescribe the sampling distribution of p. Assume the size of the population is 30,000.n = 800, p=0.2Choose the phrase that best describes the shape of the sampling distribution of p below.OA. Not normal because n ≤0.05N and np(1-p) ≥ 10.OB. Approximately normal because n ≤0.05N and np(1-p) ≥ 10.OC. Not normal because n ≤0.05N and np(1-p) < 10.O D. Approximately normal because n ≤0.05N and np(1-p) < 10.Determine the mean of the sampling distribution of p.LLA = 0.2 (Round to one decimal place as needed.)pDetermine the standard deviation of the sampling distribution of p.GA = (Round to three decimal places as needed.)114C√₁ Vi I,MoreNextX

Given that n = 800 , p = 0.2 , q = 1 - p = 1 - 0.2 = 0.8

Answered: n = 800, p = 0.2 Choose the phrase that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The graph portrays the decision criterion for a one-mean z-test. The curve in the graph is the normal curve for the test statistic under the assumption that the null hypothesis is true. Use the graph to solve the problem. A graphical display of the decision criterion follows. Reject Ho 0.025 -3 -2 -1 -1.96 Do not reject Ho O-1.96 ≤ z ≤ 1.96 Oz≤-1.96 O z ≥ 0.025 Ozz-1.96 0 Determine the nonrejection region. 1 2 3 Z
State the hypotheses and identify the claim. Compute the test statistic Find the P-value. Make the decision. Write the conclusion. Assume all populations are normally distributed. Test all claims at 0.05 . Do male and female college students have the same distribution of living arrangements? Suppose that 250 randomly selected male college students and 300 randomly selected female college students were asked about their living arrangements. The results are in the table. Test the claim that male and female college students have the same distribution of living arrangement. Dormitory Apartment With Parents Other Males 72 84 49 45 Females 91 86 88 35
Describe the sampling distribution of p. Assume the size of the population is 25,000 n = 400, p = 0.4 Choose the phrase that best describes the shape of the sampling distribution of p below. OA. Approximately normal because n ≤0.05N and np(1 - p) < 10 B. Not normal because n ≤0.05N and np(1-p) < 10 OC. Approximately normal because n ≤0.05N and np(1-p) ≥ 10. O D. Not normal because n ≤0.05N and np(1-p) ≥ 10 Determine the mean of the sampling distribution of p HA = (Round to one decimal place as needed.) Determine the standard deviation of the sampling distribution of p (Round to three decimal places as needed) OA = р
7. Find the z-score that cuts off a left tail whose area is 2.5%. 8. Find the z-score that cuts off a right tail whose area is 10.75%.
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Claim: p = 30; a = 0.06; o = 3.25. Sample statistics: x= 28.9, n 73 Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) CA. The critical values are + 1.88 O B. The critical value is Determine the outcome and conclusion of the test Choose the correct answer below. A. Fail to reject Ho At the 6% significance level, there is not enough evidence to support the claim, O B. Reject H, At the 6% significance level, there is enough evidence to support the claim. O C. Reject H At the 6% significance level, there is enough evidence to reject the claim O D. Fail to reject H,. At the 6% significance level, there is not enough evidence to reject the claim
Let sample size n = 51. Find P (t > 4.92). a. 0.0005 < P (t > 4.92) < 0.001 b. 0.001 < P (t > 4.92) < 0.0025 c. P (t > 4.92) < 0.0005 d. P (t > 4.92) > 0.25
Identify a formula that you might use in Excel to determine the minimum required sample size. =SET. Automatic Red 30 Red 30. Hike, Hike =((1.65*6.8)/1.5)^2 =SQRT((1.65*6.8)/1.5) =(1.65*6.8)^2/1.5 =(1.65*6.8)/1.5^2
Describe the sampling distribution of p. Assume the size of the population is 25,000. n=900 p=0.5 Choose the phrase that best describes the shape of the sampling distribution of p below. A. Not normal because n≤0.05N and np(1−p)≥10 B. Not normal because n≤0.05N and np(1−p)<10 C. Approximately normal because n≤0.05N and np(1−p)≥10. D. Approximately normal because n≤0.05N and np(1−p)<10. Determine the mean of the sampling distribution of p μp=_____ (Round to one decimal place as needed)
Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are longer than 35 centimeters. The biologists will select a random sample of crabs to measure. Which of the following is the most appropriate method to use for such an estimate? A one-sample z-interval for a population proportion A A one-sample z-interval for a sample proportion B A two-sample z-interval for a population proportion C A two-sample z-interval for a difference between population proportions D A two-sample z-interval for a difference between sample proportions

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