Mathematics, 10.12.2019 23:31 nagwaelbadawi
Let the joint pmf of x and y be defined by f(x, y)= x+y 32 , x=1,2, y=1,2,3,4. (a) find fx(x), the marginal pmf of x. (b) find fy(y), the marginal pmf of y. (c) find p(x > y). (d) find p(y =2x). (e) find p(x+y =3). (f) find p(x ≤3−y). (g) arex andy independentordependent? whyorwhy not? (h) find the means and the variances of x and y.
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Let the joint pmf of x and y be defined by f(x, y)= x+y 32 , x=1,2, y=1,2,3,4. (a) find fx(x), the m...
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