Question

10.A coin is tossed three times. Then
the probability that at least one tail
occurs is
O 7/8
O 1/8
O 3/4
O None of these​

Answer 1

Answer:

{TTT,TTH,THT,THH,HTT,HTH,HHT,HHH} = Outcomes

Outcomes = 8

Number of tails = 7

Probability = 7 / 8

 ∴ Option A = 7 / 8

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