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For a process that is normally distributed with a mean of 140 and a standard deviation...

For a process that is normally distributed with a mean of 140 and a standard deviation of 4.2, answer the following questions. To get credit, draw a picture of what you are being asked to find and then utilize the z-table and some algebra to find the following areas. a. What is the z-score of a value of 156? b. What is the z-score of a value of 130? c. What percentage of your production parts would exceed 156? d. What percentage of your production parts would fall below 130?

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