Essay
Cysts
After researching cysts of a particular type,a doctor learns that out of 10,000 such cysts examined,1,500 are malignant and 8,500 are benign.A diagnostic test is available which is accurate 80% of the time (whether the cyst is malignant or not).The doctor has discovered the same type of cyst in a patient.
-{Cysts Narrative} What is the probability that the patient has a benign tumor if he or she tests positive?
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