3) Suppose X is a normal random variable with mean 5 and variance 0.5. (a) If sample size = 50. P(3< x <5) = ? (b) If sample size = 50. P(Ex>5) = ?
3) Suppose X is a normal random variable with mean 5 and variance 0.5. (a) If sample size = 50. P(3< x <5) = ? (b) If sample size = 50. P(Ex>5) = ?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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
Transcribed Image Text:3) Suppose X is a normal random variable with mean =
5 and variance
0.5.
(a) If sample size = 50. P(3< x <5) = ?
(b) If sample size = 50. P(Ex>5) = ?
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