Question 3 The following contingency table summarizes the drug test results for 406 test-takers: Positive Negative 4 179 Doesn't use drugs Uses drugs Total 208 15 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:

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Question 3
The following contingency table summarizes the drug test results for 406 test-takers:
Positive
Negative
4
179
Doesn't use drugs
Uses drugs
Total
2) The probability of a true positive:
208
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:
15
0 0 0
Total
Transcribed Image Text:Question 3 The following contingency table summarizes the drug test results for 406 test-takers: Positive Negative 4 179 Doesn't use drugs Uses drugs Total 2) The probability of a true positive: 208 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: 15 0 0 0 Total
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