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QUESTION 25 A recent report asserts that fewer than 40% of households in UAE have changed their lifestyles because of environmental concerns. A researcher conducted a test using a sample of 400 households to check the validity of the report and found a test statistic of -1.23. What is the corresponding p-value? QUEOTION 60

QUESTION 25 A recent report asserts that fewer than 40% of households in UAE have changed their lifestyles because of environmental concerns. A researcher conducted a test using a sample of 400 households to check the validity of the report and found a test statistic of -1.23. What is the corresponding p-value? QUEOTION 60

MATLAB: An Introduction with Applications
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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QUESTION 25 A recent report asserts that fewer than 40% of households in UAE have changed their lifestyles because of environmental concerns. A researcher conducted a test using a sample of 400 households to check the validity of the report and found a test statistic of -1.23. What is the corresponding p-value? QUESTION 26 In which of the following situations the one-proportion z-test will NOT be applicable? O n=120, x=10, po-0.98 On=400, x=15, PO=0.02 On-200, x-160, po=0.5 On-300, x=4, PO=0.96 QUESTION 27 An International airline operator stated that no more than 10% of their international flights' take off late. A random sample of flights was drawn to test the claim with a significance level of 0.05, and the resulting p-value was 0.03. If the actual percentage of late flights is 17%, which of the following describes the decision? They took a correct decision O They committed Type II error O They can't take a decision. O They committed Type I error
Transcribed Image Text:QUESTION 25 A recent report asserts that fewer than 40% of households in UAE have changed their lifestyles because of environmental concerns. A researcher conducted a test using a sample of 400 households to check the validity of the report and found a test statistic of -1.23. What is the corresponding p-value? QUESTION 26 In which of the following situations the one-proportion z-test will NOT be applicable? O n=120, x=10, po-0.98 On=400, x=15, PO=0.02 On-200, x-160, po=0.5 On-300, x=4, PO=0.96 QUESTION 27 An International airline operator stated that no more than 10% of their international flights' take off late. A random sample of flights was drawn to test the claim with a significance level of 0.05, and the resulting p-value was 0.03. If the actual percentage of late flights is 17%, which of the following describes the decision? They took a correct decision O They committed Type II error O They can't take a decision. O They committed Type I error
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