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What is the probability that the student

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Suppose that a certain college class contains 65 students. Of these, 35 are seniors, 33 are biology majors, and 5 are neither. A student is selected at random from the class.

(a) What is the probability that the student is both a senior and a biology major?

(b) Given that the student selected is a biology major, what is the probability that he is also a senior?

Write your responses as fractions.

Reference no: EM131319241

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