The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. The individual did have The individual did not the disease have the disease Positive 457 24 Negative 78 341 a. Find the probability of getting someone who tested positive,

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter6: Ratio, Proportion, And Probability

Section: Chapter Questions

Problem 33CR

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Question

The data represent the results for a test for a certain disease. Assume
one individual from the group is randomly selected.

The individual did have The individual did not
the disease have the disease
Positive 457 24
Negative 78 341
a. Find the probability of getting someone who tested positive,
given that he or she did not have the disease. Round your answer to
four decimal places. Don’t forget to show your work.
b. Find the probability of getting someone who tested negative,
given that he or she did have the disease. Round your answer to four
decimal places. Don’t forget to show your work

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