A test for marijuana usage was tried on 180 subject did not use marijuana test r

Question

A test for marijuana usage was tried on 180 subject did not use marijuana test result was the wrong three times A test for manijuana usage was tried on 180 subjects who did not use marijuana The test result was wrong 3 times a. Based on the available results, find the probability of a wrong test result for a person who does not use marijuana. b. Is it "unlikely" for the test to be wrong for those not using marijuana? Consider an event to be unlikely if its probability is less than or equal to 0.05 a. The probability that the test wil be wrongs approximately Type an integer or decimal rounded to three decimal places as needed) b. Is it "unlikely for the test to be wrong for those not using marjuana? Choose the correct answer below. O Yes Click to select your answerls)

Explanation / Answer

Solution:-
a. The probability that the test will be wrong is approximately 0.017.

3/180 = 0.0166

b. Yes

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