The following data summarize result over 1000 pre employment drug screening test
ID: 3023756 • Letter: T
Question
The following data summarize result over 1000 pre employment drug screening test. If one of the test subjects is randomly selected. Find the probability that the subject had a positive test result or a negative test result. Subject uses drug 77. Subject is not a drug user 99, negative test result 8, 816 The following data summarize result over 1000 pre employment drug screening test. If one of the test subjects is randomly selected. Find the probability that the subject had a positive test result or a negative test result. Subject uses drug 77. Subject is not a drug user 99, negative test result 8, 816Explanation / Answer
The probability that the subject had a positive test result or a negative test result is:
(77/(10000-8816))+(99/8816)
=0.07
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