When women turn 40, their physicians typically remind them that it is time to undergo mammography screening for breast cancer. The data in the following table are based on 100,000 U.S. women, ages 40 to 50, who participated in mammography screening. Assume the sample is representative of this population and note that medical tests can be positive or negative, regardless of whether or not a patient has the condition. Positive Mammogram Negative Mammogram Breast Cancer 720 80 No Breast Cancer 6944 92,256 Answer questions 1-8 and compare your answers with your group. For a woman, age 40-50, selected at random, find the probability that she: 1. has breast cancer? does not have breast cancer? 2. has a positive mammogram? has a negative mammogram? 3. has a positive mammogram, given that she has breast cancer? This is known as the sensitivity of the test. 4. has a negative mammogram, given that she does not have breast cancer? This is known as the specificity of the test. 5. has breast cancer given that she has a positive mammogram? This is the positive-predictive value of the test. 6. does not have breast cancer, given that she has a negative mammogram? This is called the negative-predictive value of the test.

When women turn 40, their physicians typically remind them that it is time to undergo mammography screening for breast cancer. The data in the following table are based on 100,000 U.S. women, ages 40 to 50, who participated in mammography screening. Assume the sample is representative of this population and note that medical tests can be positive or negative, regardless of whether or not a patient has the condition. Positive Mammogram Negative Mammogram Breast Cancer 720 80 No Breast Cancer 6944 92,256 Answer questions 1-8 and compare your answers with your group. For a woman, age 40-50, selected at random, find the probability that she: 1. has breast cancer? does not have breast cancer? 2. has a positive mammogram? has a negative mammogram? 3. has a positive mammogram, given that she has breast cancer? This is known as the sensitivity of the test. 4. has a negative mammogram, given that she does not have breast cancer? This is known as the specificity of the test. 5. has breast cancer given that she has a positive mammogram? This is the positive-predictive value of the test. 6. does not have breast cancer, given that she has a negative mammogram? This is called the negative-predictive value of the test.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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