Homework Help: statistics

Posted by Ahmad on Sunday, September 18, 2011 at 11:58pm.

1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the following:
a) The probability that is taking Algebra or Biology.
b) The probability that is taking Biology given that is taking Algebra.

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