Let X be a random variable with E[X]=2, Var(X)= 4. Compute the expectation andvariance of 3–2X.

Solution-: Given: E(X)=2, Var(X)=4 Our aim to find, (a) E(3-2X)=? and (b) Var(3-2X)=?

Answered: Let X be a random variable with E[X]=2,…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.CR: Chapter 13 Review

Problem 3CR

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Let X be a random variable with E[X]=2, Var(X)= 4. Compute the expectation and variance of 3– 2X .