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Finance : Percent Defective

Larry checks 400 samples per hour of calculators produced. The production process is in control if 1% or less are defective. At 6am he found 3 of 400 samples defective. At 7am, he found 6. Then, at 8am, he found 1.
What percent were defective at 6 am?

b.What percent were defective at 7am?

Solution Summary

A percentage is calculated.