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प्रश्न
Three coins are tossed together. Write all the possible outcomes. Now, find the probability of getting at least one tail.
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 one tails = HHT, THH, HTH, HTT, THT, TTH, TTT
Number of favorable outcomes = 7
P(at least one tail) = `7/8`
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