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Let X be a random variable with probability density function given by x -1 0 1 f(x) a b 0.25 If E(x) = 0 , then var(2x+1 )=

Let X be a random variable with probability density function given by x -1 0 1 f(x) a b 0.25 If E(x) = 0 , then var(2x+1 )=

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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Let X be a random variable with probability density function given by х -1 0 1 f(x) a b 0.25 If E(x) = 0, then var(2x+1 )= Answer:
Transcribed Image Text:Let X be a random variable with probability density function given by х -1 0 1 f(x) a b 0.25 If E(x) = 0, then var(2x+1 )= Answer:
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