1) An online poll asked: "Do you believe the Loch Ness monster exists?" Among 21,387 responses, 65% were "yes." Use a 0.01 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? 2) 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.) 3) Identify the conclusion for this hypothesis test. Reject H0. There is sufficient evidence to support the claim that most people believe that the Loch Ness monster exists. Reject H0. There is not sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists. Fail to reject H0. There is not sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists. Fail to reject H0. There is sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists. 4) How is the conclusion affected by the fact that Internet users who saw the question could decide whether to respond? Since any of the site's users are allowed to respond, the conclusion is valid. Since the sample size is sufficiently large, the conclusion is valid. Since only certain users are being allowed to respond, the conclusion is not valid. Since the sample is a voluntary-response sample, the conclusion might not be valid.

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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PLEASE ONLY SELECT THE ANSWERS AS SHOWN FOR THE MULTIPLE CHOICE, SUCH AS OPTION 1, 2, ETC.

An online poll asked: "Do you believe the Loch Ness monster exists?" Among 21,387 responses, 65% were "yes." Use a 0.01 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 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.

Reject H0. There is sufficient evidence to support the claim that most people believe that the Loch Ness monster exists.
Reject H0. There is not sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists.
Fail to reject H0. There is not sufficient evidence to warrant rejection of the claim that most people believe that the Loch Ness monster exists.
Fail to reject H0. There is sufficient evidence to warrant rejection of 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?

Since any of the site's users are allowed to respond, the conclusion is valid.
Since the sample size is sufficiently large, the conclusion is valid.
Since only certain users are being allowed to respond, the conclusion is not valid.
Since the sample is a voluntary-response sample, the conclusion might not be valid.

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