SOLUTION: What is the probability of obtaining at least one head in 3 flips of a coin?
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Question 604415: What is the probability of obtaining at least one head in 3 flips of a coin?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What is the probability of obtaining at least one head in 3 flips of a coin?
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The probability of none is (1/2)*1/2)*1/2) = 1/8
Of at least 1 is 1 - 1/8 = 7/8
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