a coin is tossed three time. what is the probability of getting on tali ? option:- 1) 3/8 2) 1/2 3) 3/8 4) 5/8.
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2^n where n is no. of coins
therefore 2^3 =8
so there are 8 possible outcomes
and we need tails among three coins
so 4/8 ie 1/2 so option 2 is correct
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