Assuming that a test subject is randomly selected from the sample data below, calculate the probability that the sele uses drugs. Positive Test Result Negative Test Result (Test shows drug use.) (Test shows no drug use.) Subject Uses Drugs 42 9. Subject Does Not Use Drugs 28 560

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
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Assuming that a test subject is randomly selected from the sample data below, calculate the probability that the selected test subject
uses drugs.
Positive Test Result
Negative Test Result
(Test shows drug use.) (Test shows no drug use.)
Subject Uses Drugs
42
Subject Does Not Use Drugs
28
560
0 6.5% < P(uses drugs) < 7.5%
O 87.5% < P(uses drugs) < 88.5%
O 7.5% < P(uses drugs) < 8.5%
O 88.5% < P(uses drugs) < 89.5%
0 8.5% < P(uses drugs) < 9.5%
O 9.5% < P(uses drugs) < 10.5%
O 89.5% < P(uses drugs) < 90.5%
O 10.5% < P(uses drugs) < 11.5%
O 90.5% <
P(uses drugs) < 91.5%
O 11.5% < P(uses drugs) < 12.5%
91.5% < P(uses drugs) < 92.5%
O 12.5% < P(uses drugs) < 13.5%
O 92.5% < P(uses drugs) < 93.5%
O 86.5% < P(uses drugs) < 87.5%
Transcribed Image Text:Assuming that a test subject is randomly selected from the sample data below, calculate the probability that the selected test subject uses drugs. Positive Test Result Negative Test Result (Test shows drug use.) (Test shows no drug use.) Subject Uses Drugs 42 Subject Does Not Use Drugs 28 560 0 6.5% < P(uses drugs) < 7.5% O 87.5% < P(uses drugs) < 88.5% O 7.5% < P(uses drugs) < 8.5% O 88.5% < P(uses drugs) < 89.5% 0 8.5% < P(uses drugs) < 9.5% O 9.5% < P(uses drugs) < 10.5% O 89.5% < P(uses drugs) < 90.5% O 10.5% < P(uses drugs) < 11.5% O 90.5% < P(uses drugs) < 91.5% O 11.5% < P(uses drugs) < 12.5% 91.5% < P(uses drugs) < 92.5% O 12.5% < P(uses drugs) < 13.5% O 92.5% < P(uses drugs) < 93.5% O 86.5% < P(uses drugs) < 87.5%
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