The following contingency table summarizes the drug test results for 398 test-takers: Positive Negative 164 Doesn't use drugs Uses drugs Total 2) The probability of a true negative: 227 3) The probability of an error: 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: 6 00 Total

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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The following contingency table summarizes the drug test results for 398 test-takers:
Positive
Negative
1
164
Doesn't use drugs
Uses drugs
Total
1) The probability that the test-taker uses drugs:
2) The probability of a true negative:
227
For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal
places.)
3) The probability of an error:
Submit Question
6
0 0 0
Total
Transcribed Image Text:The following contingency table summarizes the drug test results for 398 test-takers: Positive Negative 1 164 Doesn't use drugs Uses drugs Total 1) The probability that the test-taker uses drugs: 2) The probability of a true negative: 227 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 3) The probability of an error: Submit Question 6 0 0 0 Total
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