Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 143 subjects with positive test results, there are 23 false positive results; among 155 negative results, there are 5 false negative results. If one the test subjects is randomly selected, find the probability that the subject tested negative or did not use marijuana. (Hint: Construct a table.) *** The probability that a randomly selected subject tested negative or did not use marijuana is

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