The joint density function for random variables X, Y, and Z is f(x, y, z)= Cxyz if 0 ≤ x ≤ 1,0 ≤ y ≤ 2,0 ≤ z ≤ 2, and f(x, y, z) = 0 otherwise. (a) Find the value of the constant C. 1/2 (b) Find P(X ≤ 1, Y ≤ 1, Z ≤ 1). 1/64 X (c) Find P(X + Y + Z≤ 1). 1/5760 X

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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The joint density function for random variables X, Y, and Z is f(x, y, z)= Cxyz if 0 ≤ x ≤ 1,0 ≤ y ≤ 2,0 ≤ z ≤ 2, and f(x, y, z) = 0 otherwise.
(a) Find the value of the constant C.
1/2
(b) Find P(X ≤ 1, Y ≤ 1, Z ≤ 1).
1/64
(c) Find P(X+Y+Z≤ 1).
1/5760
X
Transcribed Image Text:The joint density function for random variables X, Y, and Z is f(x, y, z)= Cxyz if 0 ≤ x ≤ 1,0 ≤ y ≤ 2,0 ≤ z ≤ 2, and f(x, y, z) = 0 otherwise. (a) Find the value of the constant C. 1/2 (b) Find P(X ≤ 1, Y ≤ 1, Z ≤ 1). 1/64 (c) Find P(X+Y+Z≤ 1). 1/5760 X
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