Suppose a random variable X has expected value E[X] = -4 and variance Var(X) = 16. Compute the followingquantities.(a) E[X-1](b) E[X²](c) E[(x - 1)²](d) Var[3X + 2]

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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.

Chapter1: Functions

Section1.2: The Least Square Line

Problem 1E

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Suppose a random variable X has expected value E[X] quantities. (a) E[X-1] (b) E[X²] (c) E[(X− 1)²] (d) Var[3X + 2] = -4 and variance Var(X): 16. Compute the following