Suppose that a certain college class contains 37 students. Of these, 19 are seniors, 21 are biology majors, and 6 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 she is also a senior? Write your responses as fractions. (If necessary, consult a list of formulas.) (a) I (b) I

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Suppose that a certain college class contains 37 students. Of these, 19 are seniors, 21 are biology majors, and 6 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 she is also a senior?
Write your responses as fractions. (If necessary, consult a list of formulas.)
(a) I
(b) I
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Explanation
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Transcribed Image Text:Suppose that a certain college class contains 37 students. Of these, 19 are seniors, 21 are biology majors, and 6 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 she is also a senior? Write your responses as fractions. (If necessary, consult a list of formulas.) (a) I (b) I Check Explanation O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility 99+ O Type here to search
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