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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
Section13.1: Continuous Probability Models
Problem 18E
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Consider two random variables X and Y whose joint probability density function is given by
f_X,Y (x, y) = c if x + y  ≤  1, x ≤ 1, and y ≤ 1,
0 otherwise

What is the value of c? 

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