Business stats

A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 913 milligrams. A random sample of 40 breakfast sandwiches has a mean sodium content of 902 milligrams. Assume the population standard deviation is 21 milligrams. At a = 0.10, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e) OA. Ho HIS 902 O B. Ho H#913 (claim) O C. Ho : H = 902 (claim) Ha: H 913 OF. Ho H 913 Ha HIS913 (claim) Ha : H 2 902 (b) Identify the critical value(s). Use technology 20 = 0 (Use a comma to separate answers as needed. Round to two decimal places as needed.) Identify the rejection region(s). Select the correct choice below. O A. The rejection region is z 1.28. O C. The rejection regions are z > 1.28 and z