Consider a screening test for Rocky Mountain Fever that has reasonably good
specificity and sensitivity: Of people who have the illness, 95% get a positive
result on the test, and of people who don’t have the illness, 92% get a negative
result on the test. Now consider Rockytown, which has a population of 10,000
people; in the town, 100 people have Rocky Mountain Fever.
a. Fill out a table or draw a tree diagram to show how the test would perform
if you used it to screen the residents of Rockytown.

Question

Consider a screening test for Rocky Mountain Fever that has reasonably good
specificity and sensitivity: Of people who have the illness, 95% get a positive
result on the test, and of people who don’t have the illness, 92% get a negative
result on the test. Now consider Rockytown, which has a population of 10,000
people; in the town, 100 people have Rocky Mountain Fever.
a. Fill out a table or draw a tree diagram to show how the test would perform
if you used it to screen the residents of Rockytown.

md152727 · Answer

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