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Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2:31 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 66 cities is 2.41 parts per million and the standard deviation is 2.11 parts per million. At a 0.06, can the claim be supported? Complete parts(a) through (e) below. Assume the population is normally distributed (a) Identify the claim and state H, and H, Which of the following correctly states H, and H₂? My: H₂: (Type integers or decimals. Do not round) The daim is the hypothesis

Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2:31 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 66 cities is 2.41 parts per million and the standard deviation is 2.11 parts per million. At a 0.06, can the claim be supported? Complete parts(a) through (e) below. Assume the population is normally distributed (a) Identify the claim and state H, and H, Which of the following correctly states H, and H₂? My: H₂: (Type integers or decimals. Do not round) The daim is the hypothesis

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2:31 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 60 cities is 2.41 parts per million and the standard deviation is 2.11 parts per million. At a 0.05, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed C (a) Identify the claim and state H, and H. Which of the following correctly states H, and H₂? My H₂: (Type integers or decimals. Do not round) The daim is the hypothesis
Transcribed Image Text:Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2:31 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 60 cities is 2.41 parts per million and the standard deviation is 2.11 parts per million. At a 0.05, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed C (a) Identify the claim and state H, and H. Which of the following correctly states H, and H₂? My H₂: (Type integers or decimals. Do not round) The daim is the hypothesis
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The critical​ value(s) is/are t0=      ? 

 

Find the standardized test​ statistic ?

 

Decide whether to reject or fail to reject the null hypothesis.?

 

Interpret the decision in the context of the original claim. ?
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