Suppose 10 women are given mammograms. What is the probability that at least 1 woman will have a false positive test?
Suppose 10 women are given mammograms. What is the probability that at least 1 woman will have a false positive test?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:Mammography and clinical breast examination are the two major techniques used to screen
for breast cancer. However, as true for any screening test, they are not completely accurate.
If it is determined, based on mammographic findings, that there is a possibility of breast
cancer, this is usually confirmed or disconfirmed by a subsequent biopsy. A false positive test
is a mammogram positive test that is disconfirmed by biopsy. The data in Table 1 were
reported in a paper concerning breast cancer screening (Elmore, et al, New England Journal
of Medicine 1998; 338(16): 1089-1096).
Table 1 False positive breast cancer screening tests over a 10-year period
# Screening tests
# False positive tests
9762
631
1. Suppose 10 women are given mammograms. What is the probability that at least 1 woman will
have a false positive test?
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