◆. Mammograms are 80% effective in detecting breast cancer. However, theirfalse positive rate is 10%. Suppose that 0.08% of persons tested actually havebreast cancer. What is the probability a person has breast cancer, given that themammogram detected cancer?

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Answered: ◆. Mammograms are 80% effective in…

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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Too much cholesterol in the blood increases the risk of heart disease. The cholesterol levels of middle-aged men vary Normally with mean 222 mg/dl and standard deviation 37 mg/dl. Which of the following is closest to the probability that the average cholesterol level for a sample of 8 men will be higher than 230 mg/dl?
We can assume that the heart rate of healthy spanish men follows a normal distribution with mean 80 beats/minute and standard deviation 10 beats/minute. Next two questions are about the heart rate of healthy Icelandic men. A heart rate faster then 100 beats/minute is classified as tachycardia. If a healthy spanish individual is chosen at random, what is the probability that he is measured with tachycardia? 1. 5.8 % 2. 2.3 % 3. 97.7 % 4. 94.2 % 5. R-command: How fast needs the heartbeat of a healthy spanish man to be if he should be among the 10 % of healthy spanish men with the fastest heartbeat? 1. 102.8. 2. 77.2. 3. 92.8. 4. 67.2. 5. R-command:
Given a normal population with mean = 39 and variance = 16, what is the probability of obtaining an observation greater than 42?
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If M = 75.85 and SD = 6.38, what is the probability of a score falling below a raw score of 63.00?
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◆. Mammograms are 80% effective in detecting breast cancer. However, their false positive rate is 10%. Suppose that 0.08% of persons tested actually have breast cancer. What is the probability a person has breast cancer, given that the mammogram detected cancer?