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 63 cities is 2.41 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 H. Which of the following correctly states Ho and H,? Ho: (Type integers or decimals. Do not round.) The claim is the V 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 63 cities is 2.41 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 H. Which of the following correctly states Ho and H,? Ho: (Type integers or decimals. Do not round.) The claim is the V hypothesis.

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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 63 cities is 2.41 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 H, and H,. Which of the following correctly states H, and H,?
Ho:
Ha
(Type integers or decimals. Do not round.)
The claim is the
V hypothesis.
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