Cards are drawn one-by-one at random from a well-shuffled pack of 52 playing cards until 2 aces are
obtained from the first time. The probability that 18 draws are required for this is

March 23, 2022

by Ezee_Notes

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Maths Problems

Question : Cards are drawn one-by-one at random from a well-shuffled pack of 52 playing cards until 2 aces are obtained from the first time. The probability that 18 draws are required for this is

(A) 3/34

(B) 17/455

(D) none of these

Answer : option (C)

Solution :

Cards are drawn one-by-one at random from a well-shuffled pack of 52 playing cards until 2 aces are obtained from the first time. The probability that 18 draws are required for this is