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Question
Two different dice are thrown at the same time. Find the probability of getting :
(iii) a sum of at least 11
Solution
Total number of outcomes when two dice are rolled = 36
A Sum at least 11
favorable outcomes are: (5,6), (6,5), (6,6)
Number of favorable outcomes = 3
P(Sum is at least 11) = `"Number of favourable outcomes "/"Total number of outcomes "` = `3/36 = 1/12`
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