Atest 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.

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.