SOLUTION: suppose you flip a oin 3 times what is the probability that at least once the coin comes up head

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Question 232647: suppose you flip a oin 3 times what is the probability that at least once the coin comes up head
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
suppose you flip a oin 3 times what is the probability that at least once the coin comes up head
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P(at least one head) + P(no heads) = 1
P(at least one head) = 1 - P(no heads)= 1 - (1/2)^3 = 1-(1/8) = 7/8
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Cheers,
Stan H.