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Question

One card is drawn at random from a well-shuffled deck of 52 cards. Find the probability that the card drawn is
(i) a 4
(ii) a queen
(iii) a black card.

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Solution

Total number of possible outcomes =52
(i) There are 4 cards of with the number 4 (4 of hearts, 4 of diamonds, 4 of spades and 4 of cloves)
P4 card=452=113
(ii) There are 4 queens in a pack of cards (queen of hearts, queen of diamonds, queen of spades and queen of cloves)
Pqueen=452=113
(iii) There are a total of 26 black cards (13 spade cards and 13 clove cards)
Pblack card=2652=12

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