There is a disease that affects 1/1000 people. A blood test for the disease has a false positive rate of 2% and a false negative rate of 1%. If you get the blood test and it comes back positive, what is the probability you are sick?

There is a disease that affects 1/1000 people. A blood test for the disease has a false positive rate of 2% and a false negative rate of 1%. If you get the blood test and it comes back positive, what is the probability you are sick?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Could you help me please:

There is a disease that affects 1/1000 people. A blood test for the disease has a false positive rate
of 2% and a false negative rate of 1%. If you get the blood test and it comes back positive, what is
the probability you are sick?

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