**Expert Q&A: Hypothesis Testing on Survey Data****Scenario:**An online poll asked, "Do you believe the Loch Ness monster exists?" Among 20,804 responses, 65% were "Yes." Use a 0.01 significance level to test the claim that most people believe that the Loch Ness monster exists. Consider how the conclusion might be affected by the fact that Internet users could decide whether to respond.**Questions:**1. **Identify the Null and Alternative Hypotheses:** - Choose the correct answer: - A. - \( H_0: p = 0.5 \) - \( H_1: p > 0.5 \) - B. - \( H_0: p = 0.5 \) - \( H_1: p \neq 0.5 \) - C. - \( H_0: p = 0.5 \) - \( H_1: p < 0.5 \) - D. - \( H_0: p = 0.95 \) - \( H_1: p < 0.5 \)2. **Identify the Test Statistic:** - Input the test statistic for this hypothesis test. (Round to two decimal places as needed.)3. **Identify the P-value:** - Input the P-value for this hypothesis test. (Round to three decimal places as needed.)4. **Conclusion for the Hypothesis Test:** - Choose the correct conclusion: - A. Fail to reject \( H_0 \). There is not sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists. - B. Reject \( H_0 \). There is not sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists. - C. Reject \( H_0 \). There is sufficient evidence to support the claim that most people believe that the Loch Ness monster exists. - D. Fail to reject \( H_0 \). There is sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists.5. **Impact of Voluntary Response Bias:** - How is the conclusion affected? - A. Since the sample is a voluntary-response sample, the conclusion might not be valid.

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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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Suppose 242 subjects are treated with a drug that is used to treat pain and 50 of them developed nausea. Use a 0.10 significance level to test the claim that more than 20% of users develop nausea. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.20 H₁: p0.20 H₁: p=0.20 OC. Ho: p=0.20 H₁: p>0.20 O D. Ho: p=0.20 H₁: p=0.20
An online poll asked: "Do you believe the Loch Ness monster exists?" Among 22,007 responses, 67% were "yes." Use a 0.05 significance level to test the claim that most people believe that the Loch Ness monster exists. How is the conclusion affected by the fact that Internet users who saw the question could decide whether torespond? Find test statistic Identify p value Identify conclusion
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Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, among 6167 patients treated with this drug, 150 developed the adverse reaction of nausea. Use a 010 significance level to test the claim that 3% of users develop nausea. Does nausea appear to be a problematic adverse reaction? Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho p 0.03 H, p=003 O B. H, p=0.03 H p0.03
An online poll asked: "Do you believe the Loch Ness monster exists?" Among 22185 responses, 69%were "yes." Use a 0.10 significance level to test the claim that most people believe that the Loch Ness monster exists. How is the conclusion affected by the fact that Internet users who saw the question could decide whether to respond? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0: p>0.5 H1: p=0.5 B. H0: p=0.5 H1: p<0.5 C. H0: p=0.5 H1: p>0.5 D. H0: p=0.5 H1: p≠0.5 Part 2 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is enter your response here. (Round to two decimal places as needed.) Part 3 Identify the P-value for this hypothesis test. The P-value for this hypothesis test is enter your response here. (Round to three decimal places as needed.) Part 4 Identify the conclusion for this hypothesis test.…
Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, among 6052 patients treated with this drug, 149 developed the adverse reaction of nausea. Use a 0.05 significance level to test the claim that 3% of users develop nausea. Does nausea appear to be a problematic adverse reaction? Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.03 H;:p>0.03 O B. Ho: p#0.03 H;:p= 0.03 OC. Ho: p= 0.03 H4: p+0.03 O D. Ho: p= 0.03 H:p<0.03 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is. (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test.
When asked the question, "Do you believe Big Foot exists," out of 3,268 responses, 51.4% were "yes." Using a 0.05 significance level to test a claim that most people believe in Big Foot, a P-value of 0.0466 is found. State the initial conclusion and the final conclusion of the claim.
Consider a drug testing company that provides a test for marijuana usage. Among 266 tested subjects, results from 27 subjects were wrong (either a false positive or a false negative). Use a 0.05 significance level to test the claim that less than 10 percent of the test results are wrong. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p0.1 O C. Ho: p= 0.1 H: p#0.1 O D. Ho: p=0.1 H:p<0.1 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. O A. Fail to reject Ho. There is sufficient evidence to warrant support of the claim that less than 10 percent of the test results are wrong. O B. Reject Ho. There is sufficient evidence to warrant support of the claim that less than…
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use statcrunch or explain how to solve on statcrunch
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