Twenty percent of cars that are inspected have a faulty pollution control systems. The cost of repairing a?

pollution control system exceeds $100 about 40% of the time. When a driver takes her car in for inspection, what's the probability that she will end up paying more than $100 to repair the pollution control system?Twenty percent of cars that are inspected have a faulty pollution control systems. The cost of repairing a?
let's assume that we have 100 cars going to the inspection station.





80 have no problem


20 have ';faulty poolution control system';





of these 20


40% of 20 = 8 pay over $100


60% of 20 = 12 pay under $100





8 out of 100 = 0.08 probability %26lt;==== answer





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ps: the wording on this problem is a bit ';cloudy'; although this is just my opinionTwenty percent of cars that are inspected have a faulty pollution control systems. The cost of repairing a?
40%


It is mentioned in the question.
0.2*0.4 = 0.08





8% of the time

bloom-