SophiaPretty

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Category > Math Posted 27 Aug 2017 My Price 8.00

An engineer is going to redesign an ejection seat for an airplane.

An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 140 lb and 118 lb. The new population of pilots has normally distributed weights with a mean of 148 lb  and a standard deviation of 28.1 lb.

a. If a pilot is randomly selected, find the probability that his weight is between 140 lb and 181 lb.

B) If 32 different pilots are randomly selected, find the probability that their mean weight is between 140 and 181 lb

Answers

SophiaPretty
(5)
Status NEW Posted 27 Aug 2017 07:08 AM My Price 8.00

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