Question

A manager found that 4 out of 36 parts manufactured in one day were defective.

Approximately, what percentage of the parts was NOT defective?

Answer 1

Answer: Percentage of not defective parts =88.88% which can be rounded up to 89%

Explanation:

Total part manufactured= 36

defective parts = 4

Non defective parts = 36-4 = 32.

Percentage of not defective parts = Number of not defective parts / Total parts manufactured x 100

= 32/36 x 100= 88.88%