) Find P(false positive); that is, find the probability of randomly selecting one of the subjects who tested positive and getting someone who does not use drugs.  b) Find P(false negative); that is, find the probability of randomly selecting someone who tested negative and getting someone who does use drugs.  c) Are the probabilities of these wrong results low enough so that job applicants and the Acton Paper Company need not be concerned? Explain your answers.   Drug User Non-User Total Positive Test Result 297 34   Negative Test Result 3 1666

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Question

The accompanying table shows data for Allyn and 1,999 other job applicants. Based on those results:

a) Find P(false positive); that is, find the probability of randomly selecting one of the subjects who tested positive and getting someone who does not use drugs. 

b) Find P(false negative); that is, find the probability of randomly selecting someone who tested negative and getting someone who does use drugs. 

c) Are the probabilities of these wrong results low enough so that job applicants and the Acton Paper Company need not be concerned? Explain your answers.

 

Drug User

Non-User

Total

Positive Test Result

297

34

 

Negative Test Result

3

1666

 

Total

 

 

 

 

 

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