Three fair coins are tossed simultaneously. What is the probability of getting at least two heads?
Answer and explanation
Correct answer: B. 1/2
- Step 1: Total outcomes = 2^3 = 8.
- Step 2: Outcomes with at least 2 heads: HHH, HHT, HTH, THH (4 outcomes).
- Step 3: Probability = 4 / 8 = 1/2.
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