Question: An elevator has a placard stating that the maximum capacity is 4400 Ilb29 passengers. So, 29 adult male passengers can have a mean weight of

An elevator has a placard stating that the maximum capacity is 4400 Ilb29 passengers. So, 29 adult male passengers can have a mean weight of up to 4400/29 = 152 pounds. Assume that weights of males are normally distributed with a mean of 176 lb and a standard deviation of 25 Ib. a. Find the probability that 1 randomly selected adult male has a weight greater than 152 Ib. b. Find the probability that a sample of 29 randomly selected adult males has a mean weight greater than 152 |b. c. What do you conclude about the safety of this elevator? a. The probability that 1 randomly selected adult male has a weight greater than 152 Ib is 0.8315 (Round to four decimal places as needed _) b. The probability that a sample of 29 randomly selected adult males has a mean weight greater than 152 lb is (Round to four decimal places as needed.)

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