distribution and let Y=2X2-1 X -1 0 1 2 f(X) .1 .2 .4 .3 1) What is the joint distribution of X and Y? Are they (X and Y) independent? Explain. 2) Find E(X+5)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 9E
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X is a random variable with the following distribution and let Y=2X2-1

X -1 0 1 2
f(X) .1 .2 .4 .3

1) What is the joint distribution of X and Y? Are they (X and Y)  independent? Explain.

2) Find E(X+5) 

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