The joint probability mass function of two discrete random variables X and Y is given hy: Par(x, y) = (c(2x + y). where x = 0,1.2 and y 0,1.2,3 other wise Where e is constant. Find: 1- value of e 2- P(X=20Y-1) 3- P(X+Y<4) 4- The marginal mass fiunctions of X and Y.

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 29CR
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EX. I
The joint probability mass function of two discrete random variables X and Y is given
by:
Par(x. y) = (c(2x + y).
where x 0,1,2 and y 0,1,2,3
other wise
Where e is constant.
Find:
1- value of e
2- P(X=20Y=1)
3- P(X+Y<4)
4- The marginal mass functions of X and Y.
5. Fay(1,2)
Transcribed Image Text:EX. I The joint probability mass function of two discrete random variables X and Y is given by: Par(x. y) = (c(2x + y). where x 0,1,2 and y 0,1,2,3 other wise Where e is constant. Find: 1- value of e 2- P(X=20Y=1) 3- P(X+Y<4) 4- The marginal mass functions of X and Y. 5. Fay(1,2)
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