Question

An inspector at a factory examines 320 drinking glasses, and 12 of them have defects. The inspector then examines 560 drinking glasses. Based on the inspector’s previous results, how many drinking glasses should be expected to not have defects?

Answer 1

Answer

they should expect 21 defects or 539 good glasses

Step-by-step explanation:

Answer 2

Answer: 539 without defects

Step-by-step explanation: Im pretty sure we have to turn 12/320 into a percent, which is 0.0375, or 3.75%

So with that information, we need to find 3.75% of 560.

do 0.0375 x 560, which is 21.

21 are defects, so do 560 - 21 is 539.