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Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 150 subjects with positive test
Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 150
subjects with positive test results, there are 21 false positive results; among 157 negative results, there are 4 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. (Hint: Construct a table.)
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