Solve the problem.
-A quality-control inspector examined 290 calculators and found 14 of them to be defective. At this rate, how many defective calculators will there be in a batch of 27,840 calculators?
A)96
B)4060
C)7
D)1344

Question

Quizplus · Accepted Answer

The rate of defective calculators is 14 out of 290. To find the expected number of defective calculators in a batch of 27,840, use the proportion 14/290 = x/27840. Solving for x gives x = (14*27840)/290 = 1344.

Solve the Problem. -A Quality-Control Inspector Examined 290 Calculators and Found 14 of Found