The following contingency table summarizes the drug test results for 422 test-takers: Positive Negative 0 164 Doesn't use drugs Uses drugs Total 247 2) The probability of a true negative: 3) The probability of an error: 4) The negative predicting value: 247 0.3886 1.000 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker doesn't use drugs: 0.0426 X 175 X 11 Total 164 258 422
The following contingency table summarizes the drug test results for 422 test-takers: Positive Negative 0 164 Doesn't use drugs Uses drugs Total 247 2) The probability of a true negative: 3) The probability of an error: 4) The negative predicting value: 247 0.3886 1.000 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker doesn't use drugs: 0.0426 X 175 X 11 Total 164 258 422
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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![Question 8
answer only 2 3 4
The following contingency table summarizes the drug test results for 422 test-takers:
Positive
Negative
0
164
Doesn't use drugs
Uses drugs
Total
247
2) The probability of a true negative:
3) The probability of an error:
4) The negative predicting value:
247
0.3886
1.000
For a randomly selected test administration, find the following probabilities. (Round the answers to 4
decimal places.)
1) The probability that the test-taker doesn't use drugs:
X
175
0.0426 X
11
Total
164
258
422](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F548e4d9f-f9fa-4f0c-8ca1-dbddf2e87bf0%2F0d09e437-6ede-4ac2-897c-2b4e0b706d5c%2Fm33vi38_processed.png&w=3840&q=75)
Transcribed Image Text:Question 8
answer only 2 3 4
The following contingency table summarizes the drug test results for 422 test-takers:
Positive
Negative
0
164
Doesn't use drugs
Uses drugs
Total
247
2) The probability of a true negative:
3) The probability of an error:
4) The negative predicting value:
247
0.3886
1.000
For a randomly selected test administration, find the following probabilities. (Round the answers to 4
decimal places.)
1) The probability that the test-taker doesn't use drugs:
X
175
0.0426 X
11
Total
164
258
422
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