a) identify h0 and hab) find the critical valuesc) find the standarlized test statisticd) decide whether to rejecr or fail the null hypothesis e) interpret the decision

Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than 2.33 parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of 64 cities is 2.38 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. (a) Identify the claim and state Ho and Ha. Which of the following correctly states Ho and Ha? Ho Ha (Type integers or decimals. Do not round.) The claim is the hypothesis