Question

The patel manufacting company allows for a defect rate of 0.7% on its production line. The defect average for last week was 9 items out of 900. What ifs the difference between the allowed defect rate & the defect average for last week ?

Answer 1

( 9 / 900 ) * 100 = 1%
1% - 0.7 % = 0.3 %