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Suppose X, Y are discrete random variables with joint pmf f(x, y) = c where c is a constant and x, y take all positive integer values such that x + y ≤8. Compute fx (4), i.e., the value of the marginal pmf of X at X = 4. Round your answer to two decimal places.

Suppose X, Y are discrete random variables with joint pmf f(x, y) = c where c is a constant and x, y take all positive integer values such that x + y ≤8. Compute fx (4), i.e., the value of the marginal pmf of X at X = 4. Round your answer to two decimal places.

Calculus For The Life Sciences
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
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Suppose X, Y are discrete random variables with joint pmf f(x, y) = c where c is a constant and x, y take all positive integer values such that x + y ≤8. Compute fx (4), i.e., the value of the marginal pmf of X at X = 4. Round your answer to two decimal places.
Transcribed Image Text:Suppose X, Y are discrete random variables with joint pmf f(x, y) = c where c is a constant and x, y take all positive integer values such that x + y ≤8. Compute fx (4), i.e., the value of the marginal pmf of X at X = 4. Round your answer to two decimal places.
Suppose x, Y are discrete random variables with joint pmf f(x, y) = where c is a constant and x, y take all positive integer values such that x + y ≤ 8. Compute fx (4), i.e., the value of the marginal pmf of x at x = 4. Round your answer to two decimal places. ง Suppose X, Y are discrete random variables with joint pmf 2 f(x,y) = c where c is a constant and x, y take all positive integer values such that x+y≤8. Compute fx (4), i.e., the value of the marginal pmf of X at X = 4. Round your answer to two decimal places.
Transcribed Image Text:Suppose x, Y are discrete random variables with joint pmf f(x, y) = where c is a constant and x, y take all positive integer values such that x + y ≤ 8. Compute fx (4), i.e., the value of the marginal pmf of x at x = 4. Round your answer to two decimal places. ง Suppose X, Y are discrete random variables with joint pmf 2 f(x,y) = c where c is a constant and x, y take all positive integer values such that x+y≤8. Compute fx (4), i.e., the value of the marginal pmf of X at X = 4. Round your answer to two decimal places.
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