I think you may be underestimating the importance of this. Say you have a test that detects skin cancer 60% of the time. ..flipping a coin would do it 50% of th

I think you may be underestimating the importance of this. Say you have a test that detects skin cancer 60% of the time. ..flipping a coin would do it 50% of the time. Such a test is pretty useless. Remember that you’re applying this diagnosis to the broad population, not somebody who came to your practice with an initial suspicion.