A manufacturing company produces a metal rod. Use the Excel output shown here to describe the weight of the rod. Interpret the probability values in terms of the manufacturing process.
Normal Distribution
Mean = 227 mg.
Standard Deviation = 2.3 mg.
x Value Probability < x Value
220 ............ 0.0012
225 ............ 0.1923
227 ............ 0.5000
231 ............ 0.9590
238 ............ 1.0000