The following contingency table summarizes the drug test results for 425 test-takers: Doesn't use drugs Uses drugs Total Positive 2 249 Negative 161 13 Total For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker uses drugs: 2) The probability of a false positive: 3) The probability of a correct inference: 4) The positive predicting value:
The following contingency table summarizes the drug test results for 425 test-takers: Doesn't use drugs Uses drugs Total Positive 2 249 Negative 161 13 Total For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker uses drugs: 2) The probability of a false positive: 3) The probability of a correct inference: 4) The positive predicting value:
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
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