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OpenStudy (anonymous):

In a college biology class, only half of the class earned a passing grade. Out of all the students, 45% studied and passed. What is the probability of someone having studied, given that they passed? A. 1% B. 55% C. 90% D. 45%

OpenStudy (anonymous):

it's not b

OpenStudy (anonymous):

C

OpenStudy (anonymous):

0.45/0.55

OpenStudy (anonymous):

sorry, 0.45/0.5

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