A test for a certain disease has a probability of 0.92 of detecting the disease when it is present and a probability of 0.08 of falsely detecting it when it is not present. The proportion of people who are not afflicted by the disease for a given population is 70%. What is the probability that a randomly selected person from the district will test positive?
A test for a certain disease has a probability of 0.92 of detecting the disease when it is present and a probability of 0.08 of falsely detecting it when it is not present. The proportion of people who are not afflicted by the disease for a given population is 70%. What is the probability that a randomly selected person from the district will test positive?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
Related questions
Question
Transcribed Image Text:A test for a certain disease has a probability of 0.92 of detecting the disease when it is present and
a probability of 0.08 of falsely detecting it when
it is not present. The proportion of people who are not afflicted by the disease for a given
population is 70%.
What is the probability that a randomly selected person from the district will test positive?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you