SOLUTION: There were 690 documents checked. 31 documents had errors caused by operators. What percentage of this audit is operator errors?

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Question 353109: There were 690 documents checked. 31 documents had errors caused by operators. What percentage of this audit is operator errors?
Answer by stanbon(75887) About Me  (Show Source):
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There were 690 documents checked. 31 documents had errors caused by operators. What percentage of this audit is operator errors?
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x/100 = 31/690
x/100 = 0.0449
x = 4.49%
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Cheers,
Stan H.