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Probability that a randomly selected subject tested

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Among 140 subjects with positive test? results, there are 25 false positive? results; among 152 negative? results, there are 22 false negative results. If one of the test subjects is randomly? selected, find the probability that the subject tested negative or did not use marijuana.?

*The probability that a randomly selected subject tested negative or did not use marijuana is....

Reference no: EM132130881

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