(Answered) Use the following results from a test for marijuana use

Statistics

Use the following results from a test for marijuana? use, which is provided by a certain drug testing company. Among 145 subjects with positive test? results, there are 30 false positive? results; among 158 negative? results, there are 55 false negative results. If one of the test subjects is randomly? selected, find the probability of a false positive or false negative.

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