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OpenStudy (anonymous):
Find the odds for getting two tails when two fair coins are flipped.
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OpenStudy (anonymous):
even 50/70
OpenStudy (anonymous):
i ment 50/50
OpenStudy (anonymous):
Thanks!
OpenStudy (kropot72):
P(TT) = 1/2 * 1/2 = 1/4 P(not TT) = P(HT) + P(TH) + P(HH) = 1/4 + 1/4 + 1/4 = 3/4 Odds of two tails = 1/4 : 3/4 = 1:3
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