1 Probability
A pair of fair dice is thrown independently three times. The probability of getting a score of exactly 9 twice is 1) 8/729 2) 8/243 3) 1/729 4) 8/9
Solution
P(a) = 4/36 = 1/9
Required probability = 3C2 × (1/9)2 x 8/9 = 8 /243
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