Solve the problem.
-A quality-control inspector examined 270 calculators and found 11 of them to be defective. At this rate, how many defective calculators will there be in a batch of 15,390 calculators?
A) 57
B) 5
C) 627
D) 2970

Question

Quizplus · Accepted Answer

The rate of defective calculators is 11 out of 270. To find the expected number of defective calculators in a batch of 15,390, use the proportion 11/270 = x/15390, solving for x gives x = (11*15390)/270 = 627.

Solve the Problem. -A Quality-Control Inspector Examined 270 Calculators and Found 11 of Found