Question
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
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 4300/28=154pounds. Assume that weights of males are normally distributed with a mean of 179lb and a standard deviation of 29lb.
a. Find the probability that 1 randomly selected adult male has a weight greater than 154 lb. is
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 thiselevator?
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Measure Theory And Integration
Authors: M M Rao, MM Rao
2nd Edition
1351991485, 9781351991483
