A survey and research company claims that TV network A garnered 31% audience satisfaction. To testthe claim, TV network A conducted a survey from 2000 randomly selected viewers all over the countrywith a 0.05 significance level. Which of the following is the correct null and alternative hypothesis?O a.H.: p > 0.69Ha:p = 0.69%3DO b.H.:p < 0.69Ha:p = 0.69Ос.H.: p = 0.31%3DHa:p < 0.31O d.H.:p = 0.31Ha:p > 0.31

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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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Assume a significance level of a= 0.05 and use the given information to complete parts (a) and (b) below. Original claim: More than 42% of adults would erase all of their personal information online if they could. The hypothesis test results in a P-value of 0.3488. a. State a conclusion about the null hypothesis. (Reject Ho or fail to reject Ho.) Choose the correct answer below. O A. Reject Ho because the P-value is less than or equal to a. O B. Fail to reject H, because the P-value is greater than a. O C. Reject Ho because the P-value is greater than a. O D. Fail to reject H, because the P-value is less than or equal to .
Consider a drug testing company that provides a test for marijuana usage. Among 250 tested subjects, results from 28 subjects were wrong. (Either false positive or a false negative). Use 0.05 significance level to test the claim that less than 10% of the test results are wrong. A. Identify the bull and the alternative hypothesis for the test. B. Identify the test statistic for this hypothesis test. C. Identify the P Value for this hypothesis test. D. Identify the conclusion for this hypothesis test
Identify the conclusion for this hypothesis test. O A. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that 51.1% of newborn babies are boys. B. Reject Ho. There is sufficient evidence to warrant rejection of the claim that 51.1% of newborn babies are boys. O C. Fail to reject Ho. There is not sufficient evidence to warrant rejection of the claim that 51.1% of newborn babies are boys. D. Reject Ho. There is not sufficient evidence to warrant rejection of the claim that 51.1% of newborn babies are boys. Do the results support the belief that 51.1% of newborn babies are boys? O A. The results support the belief that 51.1% of newborn babies are boys because there was no evidence to show that the belief is untrue. O B. The results do not support the belief that 51.1% of newborn babies are boys because there was sufficient evidence to show that the belief is untrue. OC. The results support the belief that 51.1% of newborn babies are boys because there was…
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You wish to test the following claim (Ha) at a significance level of a = 0.01. H.: u = 78.5 H.:u < 78.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 64.5 63.5 72.4 68.2 58.3 65 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a O greater than a
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