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OpenStudy (anonymous):
An experiment consists of tossing a fair coin 3 times. Find the probability of getting at least one head.
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OpenStudy (cggurumanjunath):
TTT, TTH, THT, THH, HTT, HTH, HHT, HHH
OpenStudy (cggurumanjunath):
7/8
OpenStudy (anonymous):
Minus the one that has all three tail, and you're guaranteed to have at least one head. Since total outcome is 8, now you have 7. P = 7/8
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