A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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a. Write out and draw the marginal probability distribution of X. Show your work.
b. Find the mean and variance of X? Show your work.
c. Write out and draw the conditional probability distribution of X, given that Y = 2.
Show your work.

The random variables X and Y have the joint probability distribution given below.
X=1
X=2
Y=1
0.20
0.40
Y=2
0.10
0.30
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Transcribed Image Text:The random variables X and Y have the joint probability distribution given below. X=1 X=2 Y=1 0.20 0.40 Y=2 0.10 0.30
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