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Three unbiased coins are tossed. What is the probability of getting at most two heads?
in Statistics Questions by Platinum (110k points) | 88 views

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3 coins make for 8 possible outcomes {HHH,HHT,HTH,THH,HTT,THT,TTH,TTT}

4 Possible outcomes conatin 2 or more heads.

Probability (At least 2 Heads) = Favourable outcomes/Total possible outcomes

                                                = 4/8 = 1/2 = 0.5 (50%)
by Wooden (1.7k points)

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