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An online poll asked: Do you believe the Loch Ness monster exists?Among 2151? responses. 66% were yes. Use a 0.05 significance level to test the
An online poll asked: "Do you believe the Loch Ness monster exists?"Among 2151? responses. 66% 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 to respond? Identify the null and alternative hypotheses for this test. Choose the correct answer below. {'1 A. H0: p := 0.5 H11p=05 {'1 B. H0: p = 0.5 H11p;50.5 {'1 C. H01p 20.5 H11p 0.785 Hy : p = 0.785 Hy : p = 0.785 O C. Ho: p = 0.785 O D. Ho: p # 0.785 H, : p > 0.785 Hy: p= 0.785 O E. Ho: P = 0.785 OF. Ho: P = 0.785 Hy: p = 0.785 Hy: p # 0.785 What is the test statistic? Z = (Round to two decimal places as needed.) What is the P-value? P-value = (Round to four decimal places as needed.) What is the conclusion on the null hypothesis? O Reject the null hypothesis because the P-value is less than or equal to the significance level, or. O Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. O Reject the null hypothesis because the P-value is greater than the significance level, a. O Fail to reject the null hypothesis because the P-value is greater than the significance level, a. Does the jury selection system appear to be fair? O A. There is not sufficient evidence to warrant rejection of the claim O B. There is sufficient evidence to support the claim that the that the selection process is biased against allowing this selection process is biased against allowing this ethnicity to sit ethnicity to sit on the grand jury. The jury selection process on the grand jury. The jury selection process appears to be appears to be fair. unfair. O C. There is sufficient evidence to warrant rejection of the claim that O D. There is not sufficient evidence to support the claim that the the selection process is biased against allowing this ethnicity to selection process is biased against allowing this ethnicity to sit sit on the grand jury. The jury selection process appears to be on the grand jury. The jury selection process appears to be fair. unfair
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