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)
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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Question
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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