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प्रश्न
Three different coins are tossed simultaneously. Find the probability of getting exactly one head.
योग
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उत्तर
Total possible outcomes of tossing three coins simultaneously are
{ TTT, TTH, THT, THH, HTT, HTH, HHT, HHH } that is 8
We have to find the probability of getting exactly one head.
Cases of exactly one head are {TTH, THT, HTT} that is 3
The probability of getting exactly on head is `3/8`.
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