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प्रश्न
Three coins are tossed together. Write all the possible outcomes. Now, find the probability of getting at least two heads.
योग
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उत्तर
When three coins are tossed, possible outcomes are:
HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
Total possible outcomes = 8
Favorable outcomes for at least two heads = HHT, THH, HTH, HHH
Number of favorable outcomes = 4
P(at least two heads) = `4/8 = 1/2`
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