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Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2.34 parts per million. found that the mean amount of carbon monoxide in the air for the random sample of 65 cities is 2.38 parts per m and the standard deviation is 2.09 parts per million. At a = 0.10, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed. (a) Identify the claim and state Ho and Ha. Which of the following correctly states H, and H,? Ho: = |2.34 Ha: 2.34 (Type integers or decimals. Do not round.) The claim is the alternative hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to – 1.30. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Choose the graph which shows the rejection region. OA. В. C. D. t>to t to ó to 4 to ó -4 - to ó to -4 4

Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2.34 parts per million. found that the mean amount of carbon monoxide in the air for the random sample of 65 cities is 2.38 parts per m and the standard deviation is 2.09 parts per million. At a = 0.10, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed. (a) Identify the claim and state Ho and Ha. Which of the following correctly states H, and H,? Ho: = |2.34 Ha: 2.34 (Type integers or decimals. Do not round.) The claim is the alternative hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to – 1.30. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Choose the graph which shows the rejection region. OA. В. C. D. t>to t to ó to 4 to ó -4 - to ó to -4 4

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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Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2.34 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 65 cities is 2.38 parts per million and the standard deviation is 2.09 parts per million. At a = 0.10, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed. ..... (a) Identify the claim and state Ho and Ha. Which of the following correctly states H, and H,? Ho: 2.34 На < |2.34 (Type integers or decimals. Do not round.) The claim is the alternative hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to - 1.30 (Use a comma to separate answers as needed. Round to two decimal places as needed.) Choose the graph which shows the rejection region. O A. В. С. D. t> to t<to - to <t<to t< - to, t> to to -4 to 0 -to 0 to -to ó to
Transcribed Image Text:Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2.34 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 65 cities is 2.38 parts per million and the standard deviation is 2.09 parts per million. At a = 0.10, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed. ..... (a) Identify the claim and state Ho and Ha. Which of the following correctly states H, and H,? Ho: 2.34 На < |2.34 (Type integers or decimals. Do not round.) The claim is the alternative hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to - 1.30 (Use a comma to separate answers as needed. Round to two decimal places as needed.) Choose the graph which shows the rejection region. O A. В. С. D. t> to t<to - to <t<to t< - to, t> to to -4 to 0 -to 0 to -to ó to
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