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OpenStudy (anonymous):
If Lilly has a probability of "a" each day of having a surprise quiz, then in terms of "a", what is the probability that Lilly has at least one quiz in a three day school week?
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OpenStudy (anonymous):
\[a. a ^{3} ; b. 1 -a ^{3}; c. (1-a)^{3} d. 1-(1-a)^{3}\]
OpenStudy (anonymous):
I solved it; D
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