11) Three unbiased coins are tossed, what is the probability of getting at least 2 tails
12) In a throw of dice what is the probability of getting number greater than
13) What is the probability of getting a sum 9 from two throws of dic
14) Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even
15) Two unbiased coins are tossed. What is probability of getting at most one tail
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