Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 10 Counting Methods and Probability - 10.5 Find Probabilities of Independent and Dependent Events - 10.5 Exercises - Problem Solving - Page 723: 42


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Work Step by Step

The probability of people receiving a positive diabetes test is: $0.059\times0.98+(1-0.059)\times(1-0.95)=0.10487\approx0.105$ The probability that a randomly selected person actually has diabetes given that the lab test says they have it: $\frac{0.059}{0.105}\approx0.56$
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