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