question archive A factory makes components used in jet engines, including reinforced steel washers
Subject:StatisticsPrice: Bought3
A factory makes components used in jet engines, including reinforced
steel washers. The washers are required to have a very precise diameter. The diameter of the washers follow a normal distribution with mean 1.59 millimeters and standard deviation 0.026 millimeters.
A worker measures a washer and finds its diameter to be the 15th percentile. What does this mean?