Question
An elevator has a placard stating that the maximum capacity is 2560 lb16 passengers. So, 16 adult male passengers can have a mean weight of
An elevator has a placard stating that the maximum capacity is 2560 lb16 passengers. So, 16 adult male passengers can have a mean weight of up to 2560/16=160pounds. Assume that the weights of males are normally distributed with a mean of
165lb and a standard deviation of 31lb.
a. Find the probability that 1 randomly selected adult male has a weight greater than 160 lb.
b. Find the probability that a sample of 16 randomly selected adult males has a mean weight greater than
160 lb.
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Probability and Random Processes With Applications to Signal Processing and Communications
Authors: Scott Miller, Donald Childers
2nd edition
123869811, 978-0121726515, 121726517, 978-0130200716, 978-0123869814
