May 30, 2016

Homework Help: conditional probability

Posted by Tifini on Tuesday, July 17, 2012 at 4:43pm.

Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 60% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from NYC? Round your answer to two decimal places.

how would i set this problem up and solve it??

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