A normal random variable x has an unknown mean m and standard deviation = 2. If

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A normal random variable x has an unknown mean m and standard deviation σ = 2. If the probability that x exceeds 7.5 is .8023, find µ.
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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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