If 4 of the 1000 test subjects are randomly selected, find the probability that they all had

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If 4 of the 1000 test subjects are randomly selected, find the probability that they all had true negative test results. Is such an event unlikely?

a. Assume that the 4 selections are made with replacement.

b. Assume that the 4 selections are made without replacement.

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Elementary Statistics

ISBN: 9780321836960

12th Edition

Authors: Mario F. Triola

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Question Posted: May 03, 2015 08:41 AM

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If 4 of the 1000 test subjects are randomly selected, find the probability that they all had

Question:

Table 4-1 Pre-Employment Drug Screening Results Positive Test Result (Drug Use Is Indicated) Negative Test Result (Drug Use is Not Indicated) 6 (False Negative) 860 True Negative) Subject Uses Drugs (True Positive) 90 (False Positive) Subject ls Not a Drug User

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a 860 860 860 0547 No it is not unl...View the full answer

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