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Mathematics, 05.03.2021 22:00, pinkfluffyunicorns
A box contains three cards, labeled 1, 2, and 3. Two cards are chosen at random, with the first card being replaced before the second card is drawn. Let X represent the number on the first card, and let Y represent the number on the second card.
a. Find the joint probability mass function of X and Y.
b. Find the marginal probability mass functions pX(x)and pY(y).
c. Find μX and μY.
d. Find μXY.
e. Find Cov(X, Y).
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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A box contains three cards, labeled 1, 2, and 3. Two cards are chosen at random, with the first card...
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