A laboratory blood test is 99 percent effective in detecting a certain disease when it is, in
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A laboratory blood test is 99 percent effective in detecting a certain disease when it is, in fact, present. However, the test also yields a “false positive” result for 1 percent of the healthy persons tested. (That is, if a healthy person is tested, then, with probability .01, the test result will imply he or she has the disease.) If .5 percent of the population actually has the disease, what is the probability a person has the disease given that his test result is positive?
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Related Book For
Introduction To Probability And Statistics For Engineers And Scientists
ISBN: 9780125980579
3rd Edition
Authors: Sheldon M. Ross
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