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OpenStudy (anonymous):
flip a fair two sided coin 4 times. Find the probability the first or last flip is a tail
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OpenStudy (notamathgenius):
ok how many sides are on the coin? How many tails are there?
OpenStudy (anonymous):
its a 50-50 chance everytime no matter what so put that into probability
OpenStudy (notamathgenius):
yes :)
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