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BGonline.org Forums
More probability
Posted By: Christian Munk-Christensen In Response To: More probability (tansley)
Date: Wednesday, 30 July 2008, at 10:51 a.m.
I'd be inclined to go with 90% since we know that her test was positive and we know that the test is correct 90% of the time.
We don't know if she's among the 1% who suffer from this cancer or if she's among the 99% who don't have it.
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