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A normal random variable x has an unknown mean u (mu) and a standard deviation of 2. If the probability that x exceeds 7.5 is
A normal random variable x has an unknown mean u (mu) and a standard deviation of 2. If the probability that x exceeds 7.5 is .8023, find u (mu).
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An Introduction to Measure Theoretic Probability
Authors: George G. Roussas
2nd edition
128000422, 978-0128000427
