a) If four people are tested for the disease, what is the probability that at least three of them receive accurate test results? b) In an area where q = 5% of people are infected, a man’s test result is positive. What is probability that it is a false positive
a) If four people are tested for the disease, what is the probability that at least three of them receive accurate test results? b) In an area where q = 5% of people are infected, a man’s test result is positive. What is probability that it is a false positive
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Let's say that a certain reagent is created to test for an infectious disease. The test has an accuracy rate of p = 90%, and the accuracy does not depend on whether or not the patient is actually infected.
a) If four people are tested for the disease, what is the
three of them receive accurate test results?
b) In an area where q = 5% of people are infected, a man’s test result is
positive. What is probability that it is a false positive (which means that he is not
infected but the test is positive due to inaccuracy)?
*please do a-b and either type or write you work and answers on paper* thank you!
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