Question

Consider the random variables X and Y with the joint density function shown to the right. (a) Find the marginal distributions of X and Y. (b) Find P(X > 0.7, Y > 0.9). f(x,y) = egin{cases} frac{1}{3}x + frac{1}{3}y, & 0 le x le 1, 0 le y le 2 \ 0, & ext{elsewhere} end{cases} (a) Select the correct choice below and fill in the answer box to complete your choice. A. The marginal distribution of X is g(x) = , for 0 ? y ? 2. B. The marginal distribution of X is g(x) = , for 0 ? x ? 1.

          Consider the random variables X and Y
with the joint density function shown to the
right.
(a) Find the marginal distributions of X and
Y.
(b) Find P(X > 0.7, Y > 0.9).
f(x,y) = egin{cases} frac{1}{3}x + frac{1}{3}y, & 0 le x le 1, 0 le y le 2 \ 0, & 	ext{elsewhere} end{cases}
(a) Select the correct choice below and fill in the answer box to complete your choice.
A. The marginal distribution of X is g(x) = , for 0 ? y ? 2.
B. The marginal distribution of X is g(x) = , for 0 ? x ? 1.

$Consider the random variables X and Y with the joint density function shown to the right. (a) Find the marginal distributions of X and Y. (b) Find P(X > 0.7, Y > 0.9). f(x,y) = egincases frac13x + frac13y, 0 le x le 1, 0 le y le 2 0, extelsewhere endcases (a) Select the correct choice below and fill in the answer box to complete your choice. A. The marginal distribution of X is g(x) = , for 0 ? y ? 2. B. The marginal distribution of X is g(x) = , for 0 ? x ? 1.$

Added by Teresa S.

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