Probability-student is both senior and chemistry major

Reference no: EM13150791

Intersection and conditional probability. Suppose that a certain college class contains 65 students. Of these, 36 are seniors, 30 are chemistry majors, and 8 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 chemistry major?

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

Reference no: EM13150791

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