n engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 120 lb and 171 lb. The new population of pilots has ne listributed weights with a mean of 128 ib and a standard deviation of 29.2 lb. Click here lo view page 1 of the standard normal distribution Click here to view page 2 of the standard normal distribution. If a pilot is randomly selected, find the probability that his weight is between 120 ib and 171 Ib. The probability is approximately 0.5356. (Round to four decimal places as needed.) b. If 32 ditferent pilots are randomly selected, find the probability that their mean weight is between 120 b and 171 b. The probability in approximately (Round to four decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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n engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 120 lb and 171 Ib. The new population of pilots has ne
Jistributed weights with a mean of 128 Ib and a standard deviation of 29.2 lb.
Click here to view page 1 of the standard normal distribution
Click here to view page 2 of the standard normal distribution.
. If a pilot is randomly selected, find the probability that his weight is between 120 ib and 171 Ib.
The probability is approximately 0.5356. (Round to four decimal places as needed.)
b. If 32 different pilots are randomly selected, find the probability that their mean weight is between 120 ib and 171 b.
The probability is approximately (Round to four decimal places as needed.)
Transcribed Image Text:Question He n engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 120 lb and 171 Ib. The new population of pilots has ne Jistributed weights with a mean of 128 Ib and a standard deviation of 29.2 lb. Click here to view page 1 of the standard normal distribution Click here to view page 2 of the standard normal distribution. . If a pilot is randomly selected, find the probability that his weight is between 120 ib and 171 Ib. The probability is approximately 0.5356. (Round to four decimal places as needed.) b. If 32 different pilots are randomly selected, find the probability that their mean weight is between 120 ib and 171 b. The probability is approximately (Round to four decimal places as needed.)
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