An elevator has a placard stating that the maximum capacity is 1860 lb-12 passengers. So, 12 adult male passengers can have a mean weight of up to 1860/12= 155 pounds. If the elevator is loaded with 12 adult male passengers. find the probability that it is overloaded because they have a mean weight greater than 155 lb. (Assume that weights of males are normally distributed with a mean of 161 lb and a standard deviation of 25 lb.) Does this elevator appear to be safe? The probability the elevator is overloaded is (Round to four decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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An elevator has a placard stating that the maximum capacity is 1860 lb-12 passengers. So, 12 adult male passengers can have a mean weight of up to
1860/12= 155 pounds. If the elevator is loaded with 12 adult male passengers. find the probability that it is overloaded because they have a mean weight greater than 155
lb. (Assume that weights of males are normally distributed with a mean of 161 lb and a standard deviation of 25 lb.) Does this elevator appear to be safe?
The probability the elevator is overloaded is
(Round to four decimal places as needed.)
Transcribed Image Text:An elevator has a placard stating that the maximum capacity is 1860 lb-12 passengers. So, 12 adult male passengers can have a mean weight of up to 1860/12= 155 pounds. If the elevator is loaded with 12 adult male passengers. find the probability that it is overloaded because they have a mean weight greater than 155 lb. (Assume that weights of males are normally distributed with a mean of 161 lb and a standard deviation of 25 lb.) Does this elevator appear to be safe? The probability the elevator is overloaded is (Round to four decimal places as needed.)
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