Aubrey Stevenson is running for senior class president at Degrassi Community Schools, and he wants to know where the election stands. Let p be the proportion of the students who will vote for Mr. Stevenson. Based on a random sample of 175 students from the school, 103 of them have indicated that theywill vote for Mr. Stevenson. Using this data, test the null hypothesis that p=D0.5 versus the alternative that p> 0.5 at the alpha = 0.1 level. What is the p-value and conclusion of this test? %3D p-value = 0.0096; Reject the null hypothesis p-value = 0.0096; Fail to reject the null hypothesis p-value = 0.019; Reject the null hypothesis p-value = 0.019; Fail to reject the null hypothesis %3D

Aubrey Stevenson is running for senior class president at Degrassi Community Schools, and he wants to know where the election stands. Let p be the proportion of the students who will vote for Mr. Stevenson. Based on a random sample of 175 students from the school, 103 of them have indicated that theywill vote for Mr. Stevenson. Using this data, test the null hypothesis that p=D0.5 versus the alternative that p> 0.5 at the alpha = 0.1 level. What is the p-value and conclusion of this test? %3D p-value = 0.0096; Reject the null hypothesis p-value = 0.0096; Fail to reject the null hypothesis p-value = 0.019; Reject the null hypothesis p-value = 0.019; Fail to reject the null hypothesis %3D

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Description: 21 22 23 24 25 26 27 28E VIEW LISTAubrey Stevenson is running for senior class president at DegrassiCommunity Schools, and he wants to know where the election stands. Let pbe the proportion of the students who will vote for Mr. Stevenson. Basedon a

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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Molly works for a meat producer, and she needs to determine whether containers of ground beef have the correct fat content. She obtains a random sample of 120 containers of ground beef and finds that 84 percent have the correct fat content. Molly then conducts a hypothesis test of H0:p=0.80H0:p=0.80 versus Ha:p≠0.80Ha:p≠0.80 and calculates a test statistic of 1.10 with a pp-value of 0.273. Which of the following best represents the meaning of the pp-value? If the population proportion is 0.84, the probability of observing a sample proportion of 0.80 is 0.273. A If the population proportion is 0.84, the probability of observing a sample proportion of at least 0.04 less than 0.84 is 0.273. B If the population proportion is 0.80, the probability of observing a sample proportion within 0.04 of 0.80 is 0.273. C If the population proportion is 0.80, the probability of observing a sample proportion at least 0.04 greater than 0.80 is 0.273. D If the…
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You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly different from 62% at a level of significance of a = 0.05. According to your sample, 27 out of 50 potential voters prefer the Democratic candidate. a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Ho: pv = 0.62 O O H₁: pv # OF c. The test statistic z O O 0.62 ✓(please enter a decimal) f. Based on this, we should reject g. Thus, the final conclusion is that (Please enter a decimal) = -1.165 (please show your answer to 3 decimal places.) d. The p-value = 0.1248 x (Please show your answer to 4 decimal places.) e. The p-value is > ✓ a 1x the null hypothesis. O The data suggest the populaton proportion is significantly different from 62% at a = 0.05, so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is different from 62% the population proportion is…