**Don't take longer than an hour to answer**

Question list 0 Question 6 x// Question 7 0 Question 8 0 Question 9 0 Question 10 0 Question 11 0 Question 12 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 64 cities is 2.37 parts per million and the standard deviation is 2.11 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 ofthe following correctly states H0 and Ha? Ham v Ha: (Type cimals. Do not round.) The c p :l hypothesis. 62 p (s 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 Question list K found that the mean amount of carbon monoxide in the air for the random sample of 64 cities is 2.37 parts per million and the standard deviation is 2.11 parts per million. At a = 0.10, can the claim be supported? Complete parts (a) through (e) below. Assume the population is normally distributed. Question 6 (a) Identify the claim and state Ho and Ha. Which of the following correctly states Ho and Ha? Question 7 Ho: Ha Question 8 (Type integ s. Do not round.) The claim i: hypothesis. O Question 9 > Question 10 S 2 Question 11