Question: A company assembles a large part by joining two smaller parts together. Assume that the smaller parts are normally distributed with a mean length of

A company assembles a large part by joining two smaller parts together. Assume that the smaller parts are normally distributed with a mean length of 1 inch and a standard deviation of 0.01 inch.
a. What fraction of the larger parts is longer than 2.05 inches?
b. What fraction of the larger parts is between 1.96 inches and 2.02 inches long?

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