Question: 7.5.3 Let random variables X, Y , and 2 have joint density f(z, y , z ) = c(z + y + z ) for

7.5.3 Let random variables X, Y , and 2 have joint density f(z, y , z ) = c(z + y + z )

for 0 < z < y < z < 1. Find: (i)

c. (ii) P ( X + 2 > 1). (iii) P(X + 2 > 1IY =

0.5).

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