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Three fair coins are tossed together. What is the probability of getting at least one tail?

Competition practiceProbability & Permutation
  • A7/8
  • B1/8
  • C3/8
  • D1/2

Step-by-Step Solution

Only HHH has no tail. P(no tail) = 1/8, so P(at least one tail) = 1 − 1/8 = 7/8.
Answer: A) 7/8

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