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# Probability

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Suppose that a certain college class contains students. Of these, are freshmen, are physics majors, and are neither. A student is selected at random from the class.
a. What is the probability that the student is both a freshman and a physics major?
b. Suppose that we are given the additional information that the student selected is a freshman. What is the probability that she is also a physics major?

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• BE, Bangalore University, India
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