A test for marijuana usage was tried on 235235 subjects who did not use marijuana. The test result was wrong 44 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.