ProbabilityHard
Question
Cards are drawn one-by-one at random from a well shuffled pack of 52 playing cards until 2 aces are obtained for the first time. The probability that 18 draws are required for this, is-
Options
A.3/34
B.17/455
C.561/15925
D.None of these
More Probability Questions
A license plate is 3 letters (of English alphabets) followed by 3 digits. If all possible license plates are equally lik...Cards are drawn one after another till an ace is obtained. The probability of not getting ace in first 26 cards is-...A student appears for tests I, II & III. The student is successful if he passes either in tests I & II or tests I & III....If 12 identical balls are to be placed in 3identical boxes, then the probability that oneof the boxes contains exactly 3...Two real numbers, x & y are selected at random. Given that 0 ≤ x ≤ 1 ; 0 ≤ y ≤ 1. Let A be the e...