What fraction of etching systems conform to specifications

Reference no: EM131297646

Suppose the concentration of particles produced in an etching operation on any given day is normally distributed with a mean of 15.08 particles/ft³ and a standard deviation of 0.05 particles/ft³. The specifications on the process call for a concentration of 15.00 +/- 0.1 particles/ft³. What fraction of etching systems conform to specifications?

Reference no: EM131297646

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