Suppose that X and Y are discrete random variables with the following joint probability mass function: k. 32+2y x!y! p(x, y) = for x = {0, 1, 2,...}, y = {0, 1, 2,...}; and zero otherwis where k is a constant. 4 Which of the following is closest to the value of E(X+Y)?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Suppose that X and Y are discrete random variables with the following joint probability mass function:
k. 32+2y
x!y!
p(x, y)
Select one:
OA. 8
O B. 16
O C. 20
O D. 12
OE. 24
for a {0, 1, 2,...}, y = {0, 1, 2,...}; and zero otherwise,
where k is a constant.
Which of the following is closest to the value of E(X+Y)?
Transcribed Image Text:Suppose that X and Y are discrete random variables with the following joint probability mass function: k. 32+2y x!y! p(x, y) Select one: OA. 8 O B. 16 O C. 20 O D. 12 OE. 24 for a {0, 1, 2,...}, y = {0, 1, 2,...}; and zero otherwise, where k is a constant. Which of the following is closest to the value of E(X+Y)?
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