angelina0miles
30.10.2021 •
Mathematics
Two cards are drawn randomly without replacement from an ordinary deck. Let X be the number of hearts and Y be the number of black cards obtained.
(a) Write an expression for the joint PMF f(x; y)
(b) Tabulate the joint PMF
(c) Find the marginal PMF of X and Y
(d) Find P(Y = 1jX = 1)
(e) Tabulate P(X + Y <= z) for all possible values of z
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Ответ:
Fifty five percent times two hundred and sixty equal one hundred and forty three