A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Question
Suppose X is a continuous random variable whose
f(x) =
xe−x
x ≥ 0
0 x < 0
.
1. Verify that f(x) is indeed a valid probability density function.
2. Compute the
3. Compute the variance V (X) = E
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