SOLUTION: In a certain class, 40% of the students are seniors, 15% are failing, and 10% are seniors who are failing. What is the probability that a randomly choosen student is failing?

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Question 264003: In a certain class, 40% of the students are seniors, 15% are failing, and 10% are seniors who are failing. What is the probability that a randomly choosen student is failing?
Answer by stanbon(75887) About Me  (Show Source):
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In a certain class, 40% of the students are seniors, 15% are failing, and 10% are seniors who are failing. What is the probability that a randomly choosen student is failing?
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15% are failing, so p(fail) = 0.15
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Cheers,
Stan H.