Three different coin touch together find the probability getting 1)ang – InterviewSolution

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1.

Three different coin touch together find the probability getting 1)angitely two head 2) at least two head3)at least two tail

Answer»

3 coins so possibilities are followingHHH,HHT,HTH,THH,TTH,THT,HTT,TTT

1) probability of 2 heads=3/82) at least 2 heads=4/8=1/23)at least 2 tails=4/8=1/2

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