If Y 1 and Y 2 are continuous random variables with joint density function f (y 1 , y 2 ) ky 1 2 y 2 , 0 y 1 y 2 1, find (a) k, (b) fY 1 (y 1 ) and (c) P (Y 2 1 4 Y 1 1 2)

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If Y 1 and Y 2 are continuous random variables with joint density function f (y 1 , y 2 ) = ky 1 2

If Y₁ and Y₂ are continuous random variables with joint density function f (y₁, y₂) = ky₁²y₂, 0 y₁ y₂ 1, find (a) k, (b) fY₁(y₁) and (c) P (Y₂ 1/4 | Y₁ = 1/2)

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