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point(s) possible A sporting goods store believes the average age of its customers is 38 of less, A random sample of 43 customers was surveyed, and the average customer age was found to be 40.5 years, Assume the standard deviation for customer age is 9.0 years, Using a = 0.05, complete parts a and b below a. Does the sample provide enough evidence to refute the age claim made by the sporting goods store? Determine the null and afornative hypotheses. The z-test statistic is (Round to two decimal places as needed.) ourc The critical z-score(s) istare) ions (Round to two decimal places as nodded. Use a comma to separate answers as needed.) Because the just statistic the nul hypothesis on To b. Determine the p-value for this lost The p-value is (Round, to three decirwil places as needed.) Time Remaining: 01 28-28 Next