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What is the probability that a standard normal random variable will be between ?2 and 2?...

What is the probability that a standard normal random variable will be between ?2 and 2?
A) .4772
B) .0228
C) .9772
D) .9544

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Answer #1

Ans: .9544                                                                                  

Explanation:

P(-2 = Z = +2) = 0.9772 - 0.0228 = 0.9544

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