6. The following are parts of the probability distributions for the random variables X and Y. x | P(x) || y | P(y) 1 | .25 || 1 | .3 2 | ? || 2 | .5 3 | .35 || 3 | ? 4 | ? || | If X and Y are independent and the joint probability P( X = 2, Y = 3 ) = .03, what is P( X = 4 )? .10 .15 .20 .25 .30
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25 P(Y=3) = 0.35 Since P(X) + P(Y) = 1, we have: 0.25 + A + 0.35 + B = 1 A + B = 0.4 ** Show more…
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