" a 0 Question 5' 6_4_9_T Hr Score. 45.33 A, 4.03 of 9 points Par\" f3 0 Points: 0 of1 An elevator has a placard stating that the maximum capacity is 4300 lb28 passengers. So, 28 adult male passengers can have a mean weight of up to 4300 I 28 = 154 pounds. Assume that weights of males are normally distributed with a mean of 177 lb and a standard deviation of 30 lb. a. Find the probability that 1 randomly selected adult male has a weight greater than 154 lb. b. Find the probability that a sample of 28 randomly selected adult males has a mean weight greater than 154 lb. c. What do you conclude about the safety of this elevator? ---E>-\"-\" a. The probability that 1 randomly selected adult male has a weight greater than 154 lb is D. (Round to four decimal places as needed.)