Given that the length an athlete throws a hammer is a normal random variable with mean 50 feet and standard deviation 5 feet, what is the probability he throws it no less than 55 feet?
A) .8413
B) .1587
C) .6826
D) .3174

Name: Given that the length an athlete throws a hammer is a normal random variable with mean 50 feet and standard deviation 5 feet, what is the probability he throws it no less than 55 feet? A) .8413 B) .1587 C) .6826 D) .3174
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Z = (55 − 50)/5 = 1
P(X ≥ 55) = 1 − .8412 = .1587

Given That the Length an Athlete Throws a Hammer Is