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InterviewSolution
| 1. |
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is: |
| Answer» Let S be the sample space. Then, n(S) = 52C2 = (52 x 51) = 1326. (2 x 1) Let E = event of getting 1 spade and 1 heart. n(E) = number of ways of choosing 1 spade out of 13 and 1 heart out of 13 = (13C1 x 13C1) = (13 x 13) = 169. P(E) = n(E) = 169 = 13 . n(S) 1326 102 | |