1 answer

An elevator has a placard stating that the maximum capacity is 1610 lb — 10 passengers.​ So, 10 adult male

Question:

An elevator has a placard stating that the maximum capacity is

1610 lb

10 passengers. So,

10 adult male passengers can have a mean weight of up to

1610/10=161 pounds. If the elevator is loaded with

10 adult male passengers, find the probability that it is overloaded because they have a mean weight greater than

161 lb. (Assume that weights of males are normally distributed with a mean of

170 lb and a standard deviation of

32 lb.) Does this elevator appear to be safe?

A) The probability the elevator is overloaded is _

B) Does this elevator apperT to be safe?


Answers

P(X 〉 161) Normal Distribution, μ-166, σ-35, n-10 we convert this to standard normal using z 161 (166) 35/v10 -0.451754 ~-0.4

.

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