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

Competition practiceData & Probability
  • A1/2
  • B3/8
  • C1/4
  • D7/8

Step-by-Step Solution

The 8 equally likely outcomes give at least two heads in HHH, HHT, HTH, THH — that is 4 outcomes. Probability = 4/8 = 1/2.
Answer: A) 1/2

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