SOLUTION: If one coin is tossed twice, what is the probability of getting at least one tail OR two tails?

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Question 398660: If one coin is tossed twice, what is the probability of getting at least one tail OR two tails?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If one coin is tossed twice, what is the probability of getting at least one tail OR two tails?
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P(1 or 2 tails) = 1 - P(2 heads) = 1-(1/2) = 1/2
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Cheers,
Stan H.