please answer

Afast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 914 milligrams. A random sample of 31 breakfast sandwiches has a mean sodium content of 909 milligrams. Assume the population standard deviation is 19 milligrams. At a = 0.05, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e). (a) Identify the null hypothesis and alternative hypothesis. 0 A. Hozu5909 O B. H0:u914 Ha: u914 (b) Identify the critical value(s). Use technology. 20 = (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. 0 A. The rejection regions are z> 1.64 and z 1.64. O C. The rejection region is z 5) = 'Round to three decimal places as needed.) (c) Find the probability that the number that prefer to purchase electronics online is at most five. P(x$5) = (Round to three decimal places as needed.)