Company A produces 60% of items at 5% error
Company B produces 40% of items at 3% error
Overall percentage of error
= production of A*error percentage for A + production of B* error percentage for B
= 0.60*5 + 0.40*3
= 4.2%
one ractory manu factures 60% of items at a-5% .ertor cind-the OA, ractory 13 error What...
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