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Get answer: In Exercises, refer to Table, included with the Chapter Problem. In each

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 24BSC Chapter 4.5

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 24BSC

Problem 24BSC

 

In Exercises, refer to Table, included with the Chapter Problem. In each case, assume that 1 of the 1000 test subjects is randomly selected.

Negative Predictive Value Find the negative predictive value for the test. That is, find the probability that a subject does not use drugs, given that the test yields a negative result.

Table Pre-Employment Drug Screening Results

 

Positive Test Result (Drug Use Is Indicated)

Negative Test Result (Drug Use Is Not Indicated)

Subject Uses Drugs

44 (True Positive)

6 (False Negative)

Subject Is Not a Drug User

90 (False Positive)

860 (True Negative)

Step-by-Step Solution:
Step 1 of 3

Solution  24BSC

=  0.993

Step 2 of 3

Chapter 4.5, Problem 24BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Get answer: In Exercises, refer to Table, included with the Chapter Problem. In each