Multiple choice

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

  1. 1/4

  2. 1/2

  3. 3/8

  4. 5/8
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B Correct answer
Explanation

Total outcomes for 3 coins = 8. Outcomes with at least two heads: HHH, HHT, HTH, THH (4 outcomes). Probability = 4/8 = 1/2.

AI explanation

Tossing three fair coins yields 8 total possible outcomes. The favorable outcomes for getting at least two heads are HHH, HHT, HTH, and THH, totaling 4 ways. Using the classical probability formula, the required probability is 4 / 8, which equals 1 / 2.

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