X~Bernoulli(1/4) Y=-7X, whats the cdf for Fxy ? My attempt --------- Fxy = P(X<=x,X<=-y/7) = 0 for min(x,-y/7) < 0 1/4 for 0 <= min(x,-y/7) < 1 1 for min(x,-y/7) >= 1 Is this right?
Last edited by Sneaky; Oct 17th 2010 at 01:32 PM.
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