When a woman thinks she may be pregnant, she often uses an over-the-counter pregnancy test to confirm or deny if she is pregnant. The two-way table below represents the results of one brand of pregnancy test on 500 women, some of whom are pregnant and some are not. Round percentage answers to the nearest tenth of a percent to answer the following two questions. Negative Test Result Positive Test Result Pregnant 66 131 (a) What is the sensitivity for this test? % (b) What is the specificity for this test? Not Pregnant 239 64

When a woman thinks she may be pregnant, she often uses an over-the-counter pregnancy test to confirm or deny if she is pregnant. The two-way table below represents the results of one brand of pregnancy test on 500 women, some of whom are pregnant and some are not. Round percentage answers to the nearest tenth of a percent to answer the following two questions. Negative Test Result Positive Test Result Pregnant 66 131 (a) What is the sensitivity for this test? % (b) What is the specificity for this test? Not Pregnant 239 64

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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