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OpenStudy (hockeychick23):
If the probability that 20 or fewer kids in a group of 25 like pizza is 43% , what is the probability that at least 21 kids in the group like pizza? (I think its 57% but I just wanted to check, thanks!)
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OpenStudy (perl):
yes you used the complement rule correctly
OpenStudy (hockeychick23):
thanks
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