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You've found an odd mole growing on the inside of your elbow.You'd rather not think about it, but a close friend encourages you to have

You've found an odd mole growing on the inside of your elbow.You'd rather not think about it, but a close friend encourages you to have a doctor look at it.You feel better when you look online and see that only about 1% of atypical moles are cancerous.But just in case, you make an appointment with a doctor. The doctor thinks the mole is suspicious and orders blood to be drawn for two tests, and it takes a few days for the lab results to come back.

While waiting for the lab results you look up the reliability of the tests the doctor ordered.

  • Test A has a sensitivity of 38.8% and a specificity of 99.9%
  • Test B has a sensitivity of 86.2% and a specificity of 93.7%

Complete the table below for Test B showing how many patients, out of 1000, you would expect to have a true positive, a false positive, a true negative, and a false negative.Round all answers in the table to two decimals.

image text in transcribed
Test A Positive Test Negative Test Total Mole is Cancerous Mole is Benign Total 1000

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