2 answers

Consider a deck of 52 playing cards. A. Suppose you select two cards with repl...continues

Question:

Consider a deck of 52 playing cards. A. Suppose you select two cards with replacement out of the deck. what is the probability of selecting 2 diamonds? B. Suppose youselect two cards from the deck without replacing the first card. What is the probability of selecting 2 queens? C. Suppose you select one card from the deck. What isthe probability that the card will be queen or diamonds?

Answers

A. probability= 13 x 13 / (52x52) = 1/16
B. p(2 queens) = 4C2 / 52C2 = 1/221

C. p(queen or diamond) =(13+3)C1/52C1 =16/52 =4/13

.

P(two diamonds) = 12*12/(52*52)
P(two diamonds without repl) = 13C2 /52C2.

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