What fraction of this machine''s production will fail

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A machine produces bearings with mean diameter 3.00 inches and standard deviation 0.01 inch. Bearings with diameters in excess of 3.02 inches or less than 2.98 inches will fail to meet quality specifications.

a Approximately what fraction of this machine's production will fail to meet specifications?

b What assumptions did you make concerning the distribution of bearing diameters in order to answer this question?

Reference no: EM131196484

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