(c) Suppose the manager agrees to pay each employee a$50 bonus if they meet a certain goal. On a typicalSaturday, theoil-change facility will perform 45 oil changes between 10 A.M. and 12 P.M. Treating this as a randomsample, there would be a10% chance of the meanoil-change time being at or below whatvalue? This will be the goal established by the manager.

There is a10% chance of being at or below a meanoil-change time of ? minutes.