Question

A test subject is randomly selected for a diabetes test. What is the probability of getting a subject who is not diabetic, given that the test result is negative? Find the probability using the data table.

See attachment below for answer choices/table.

Answer 1

the probability of getting a subject who is not diabetic, given that the test result is negative is 0.90%

Explanation:

Answer 2

From the image we obtain the following values,

Positive Test Negative Test
Subject is diabetic 35 3 38
Subject is not diabetic 5 28 33
Total 40 31 71

Therefore, the probability of getting a subject that is not diabetic is calculated as follows:

28/31 = 0.903 or 90.3%

The answer is 90.3%.