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Discrete Mathematics
Conditional Probability
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Note: \(P\left(H\ | \ F\right)\) denotes the probability of \(H\) occurring given that \(F\) occurs.
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by Brilliant Staff
Excel in math and science
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by Brilliant Staff
A disease test is advertised as being 99% accurate: if you have the disease, you will test positive 99% of the time, and if you don't have the disease, you will test negative 99% of the time. If 1% of all people have this disease and you test positive, what is the probability that you actually have the disease?
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by Brilliant Staff
Excel in math and science
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by Brilliant Staff
If it rains on Saturday, the probability that it rains on Sunday is 50%. If it does not rain on Saturday, the probability that it rains on Sunday is 25%.
Given that it rained on Sunday, what is the probability that it rained on Saturday?
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by Brilliant Staff