The advertising for a new genetic screening of fetuses, through sampling the mother's blood, claims that it is "99.9% accurate." There are about 4 million pregnancies a year. If all of them were screened by this test, and assuming the statement is precisely true, about how many women would receive inaccurate results?

Foundations of Astronomy (MindTap Course List)
14th Edition
ISBN:9781337399920
Author:Michael A. Seeds, Dana Backman
Publisher:Michael A. Seeds, Dana Backman
Chapter15: The Milky Way Galaxy
Section: Chapter Questions
Problem 30RQ: The story of a process makes the facts easier to remember, but easy recall is not the true goal of...
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a) 40

b) 4

c) 4000

d) 400

e) 40,000

f) 0.4 million

The advertising for a new genetic screening of fetuses, through sampling the mother's blood, claims
that it is "99.9% accurate."
There are about 4 million pregnancies a year. If all of them were screened by this test, and assuming
the statement is precisely true, about how many women would receive inaccurate results?
Transcribed Image Text:The advertising for a new genetic screening of fetuses, through sampling the mother's blood, claims that it is "99.9% accurate." There are about 4 million pregnancies a year. If all of them were screened by this test, and assuming the statement is precisely true, about how many women would receive inaccurate results?
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