This preview shows page 1. Sign up to view the full content.
Unformatted text preview: test is about 90% accurate. Question: If you test positive for the disease, what is the probability that you actually have the disease? We have a baseline rate of 0.001. This comes from the first sentence (1 in every 1000). In this case we’ll use 10,000 for the hypothetical population total. Any number will do but you will want to choose a number large enough so that all of the cells in the table are whole numbers. If there are 10,000 people, we would expect 10 cases of the disease (one out of every 1000). This number goes in the upper right corner of the table. 4 test result is: positive negative total has disease 10 no disea...
View
Full
Document
This document was uploaded on 12/11/2013.
 Fall '13

Click to edit the document details