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7. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the correct decision? * A. Accept Ho B. Accept Ha C. Cannot be determined

7. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the correct decision? * A. Accept Ho B. Accept Ha C. Cannot be determined

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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1. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At 0.05 te claim wherein, from a random sample of 100 men who were selected, 10 said y used exercise relieve stress. What is the parameter of interest? A. mean B. standard deviation C. population D. proportion 4. A certain health magazine stated that 14 men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random ple of 100 men who were selected, 10 said that they used exercise to relieve stress. What type test is to be used in the problem? A. one-tailed left directional B. one-tailed right direction C. one-tailed D. two-tailed 6. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At a=0.05 test the clam wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the computed value? A. -114 B 1.15 C. -0.36 D. 0.-37 7. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the correct decision? * A. Accept Ho B. Accept Ha C. Cannot be determined 8. A certain health magazine stated * that 14% of men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the correct conclusion? A. From the 100 randomly selected men, 14% of them used exercise to reduce stress. B. From the 100 randomly selected men, less than 14% of them used exercise to reduce stress. C. Based on the gathered data, the proportion of men who used exercise to reduce stress is not 14%. D. Based on the gathered data, the proportion of men who used exercise to reduce stress is 14%. 11. Mr. Sy asserts that fewer than 5% of the bulbs that he sells are defective. Suppose 300 bulbs are randomly selected, each are tested and 10 defective bulbs are found. Does the data provide sufficient evidence for Mr. Sy to conclude that the fraction of defective bulbs is less than 0.05 using a = 0.01? What specific type of test is to be used in the problem? A. one-tailed left directional B. one-tailed right directional C. one-tailed D. two-tailed
Transcribed Image Text:1. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At 0.05 te claim wherein, from a random sample of 100 men who were selected, 10 said y used exercise relieve stress. What is the parameter of interest? A. mean B. standard deviation C. population D. proportion 4. A certain health magazine stated that 14 men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random ple of 100 men who were selected, 10 said that they used exercise to relieve stress. What type test is to be used in the problem? A. one-tailed left directional B. one-tailed right direction C. one-tailed D. two-tailed 6. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At a=0.05 test the clam wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the computed value? A. -114 B 1.15 C. -0.36 D. 0.-37 7. A certain health magazine stated that 14% of men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the correct decision? * A. Accept Ho B. Accept Ha C. Cannot be determined 8. A certain health magazine stated * that 14% of men said they used exercise to reduce stress. At a=0.05 test the claim wherein, from a random sample of 100 men who were selected, 10 said that they used exercise to relieve stress. Which of the following is the correct conclusion? A. From the 100 randomly selected men, 14% of them used exercise to reduce stress. B. From the 100 randomly selected men, less than 14% of them used exercise to reduce stress. C. Based on the gathered data, the proportion of men who used exercise to reduce stress is not 14%. D. Based on the gathered data, the proportion of men who used exercise to reduce stress is 14%. 11. Mr. Sy asserts that fewer than 5% of the bulbs that he sells are defective. Suppose 300 bulbs are randomly selected, each are tested and 10 defective bulbs are found. Does the data provide sufficient evidence for Mr. Sy to conclude that the fraction of defective bulbs is less than 0.05 using a = 0.01? What specific type of test is to be used in the problem? A. one-tailed left directional B. one-tailed right directional C. one-tailed D. two-tailed
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