↑ An over-the-counter pregnancy test claims to be 99% accurate. Actually, what the insert says is that I pregnancy (a) What is the probability of a false negative? (b) Assume that the probability is 96% that the test result is negative for a woman who is not pregnant. If the woman estimates that her chances of being pregnant are about 20% and the test result is positive, what is the probability that she is actually pregnant? CID (a) The probability of a false negative is (Simplify your answer. Type an integer or decimal rounded to three decimal places as needed)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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An over-the-counter pregnancy test claims to be 99% accurate. Actually, what the insert says is that if the test is performed properly, it is 99% sure to detect a
pregnancy
(a) What is the probability of a false negative?
(b) Assume that the probability is 96% that the test result is negative for a woman who is not pregnant. If the woman estimates that her chances of being
pregnant are about 20% and the test result is positive, what is the probability that she is actually pregnant?
CIC
(a) The probability of a false negative is
(Simplify your answer. Type an integer or decimal rounded to three decimal places as needed.)
Transcribed Image Text:K An over-the-counter pregnancy test claims to be 99% accurate. Actually, what the insert says is that if the test is performed properly, it is 99% sure to detect a pregnancy (a) What is the probability of a false negative? (b) Assume that the probability is 96% that the test result is negative for a woman who is not pregnant. If the woman estimates that her chances of being pregnant are about 20% and the test result is positive, what is the probability that she is actually pregnant? CIC (a) The probability of a false negative is (Simplify your answer. Type an integer or decimal rounded to three decimal places as needed.)
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