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wrote...
Posts: 196
3 weeks ago
Studying Assume that 75% of the AP* Stat students studied for this test. If 40% of those who study get an A, but only 10% of those who don't study get an A, what is the probability that someone who gets an A actually studied for the test?
Textbook 

Stats: Modeling the World


Edition: 4th
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wrote...
Posts: 266
3 weeks ago
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P(A) = 0.3 + 0.025 = 0.325
P(studied for test | A) = = = 0.923
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