In the mass production of a certain piece of a machine, the average length is 25cm. The standard deviation os 0.02m. Calculate the probability for the following cases assuming normal distribution. a) The length of the piece is less than 25.03 cm (answer = 0.5040 = 50.40%) b) The length of the piece is between 24.94 and 25.05cm (answer = .0220 = 2.2%) show work using z tables

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