Q. 155.0( 2 Votes )

Three cards are drawn with replacement from a well shuffled pack of cards. Find the probability that the cards drawn are king, queen and jack.

Answer :

In a pack of 52 cards, there are 4 king,4 queen and 4 jack


Let A be drawn card is a king



Let B be drawn card is a queen



Let C be drawn card is a jack



P(cards drawn are king, queen, jack )=


=P(A)P(B)P(C)+P(A)P(C)P(B)+P(B)P(A)P(C)+P(B)P(C)P(A)+P(C)P(A)P(B)+P(C)P(B)P(A)


=6*P(A)P(B)P(C)


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