Researchers discover that 85% of people who have suffered a heart attack had periodontal disease (an inflammation of the gums). Only 29% of people that have not had a heart attack actually have periodontal disease. a. Suppose heart attacks are rare in a community, occurring with a 10% probability. What is the probability that someone has periodontal disease? b. What is the probability that a person with periodontal disease will have a heart attack?
Researchers discover that 85% of people who have suffered a heart attack had periodontal disease (an inflammation of the gums). Only 29% of people that have not had a heart attack actually have periodontal disease. a. Suppose heart attacks are rare in a community, occurring with a 10% probability. What is the probability that someone has periodontal disease? b. What is the probability that a person with periodontal disease will have a heart attack?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Researchers discover that 85% of people who have suffered a heart attack had periodontal disease (an inflammation of the gums). Only 29% of people that have not had a heart attack actually have periodontal disease.
a. Suppose heart attacks are rare in a community, occurring with a 10%
b. What is the probability that a person with periodontal disease will have a heart attack?
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