Solution Found!
Answer: In Exercises, refer to Table, included with the Chapter Problem. In each case
Chapter 4, Problem 22BSC(choose chapter or problem)
Problem 22BSC
In Exercises, refer to Table, included with the Chapter Problem. In each case, assume that 1 of the 1000 test subjects is randomly selected.
Inverse Probabilities
a. Find P (negative test result | subject does not use drugs).
b. Find P (subject does not use drugs | negative test result).
c. Compare the results from parts (a) and (b). Are they equal?
Table Pre-Employment Drug Screening Results
|
Positive Test Result (Drug Use Is Indicated) |
Negative Test Result (Drug Use Is Not Indicated) |
Subject Uses Drugs |
44 (True Positive) |
6 (False Negative) |
Subject Is Not a Drug User |
90 (False Positive) |
860 (True Negative) |
Questions & Answers
QUESTION:
Problem 22BSC
In Exercises, refer to Table, included with the Chapter Problem. In each case, assume that 1 of the 1000 test subjects is randomly selected.
Inverse Probabilities
a. Find P (negative test result | subject does not use drugs).
b. Find P (subject does not use drugs | negative test result).
c. Compare the results from parts (a) and (b). Are they equal?
Table Pre-Employment Drug Screening Results
|
Positive Test Result (Drug Use Is Indicated) |
Negative Test Result (Drug Use Is Not Indicated) |
Subject Uses Drugs |
44 (True Positive) |
6 (False Negative) |
Subject Is Not a Drug User |
90 (False Positive) |
860 (True Negative) |
ANSWER: