A flashlight manufacturer sets aside a production line for the assembly of 2000 flashlights to fill a special order. Ninety of these flashlights are selected at random from the production line to be tested, and 15 are found to be defective. The population is:
A) the 15 defective flashlights.
B) the 90 flashlights tested.
C) the 2000 flashlights produced for this order.
D) all flashlights produced by the manufacturer.

Question

Quizplus · Accepted Answer

The population is the entire group of objects we are interested in studying. In this case, we are interested in studying the 2000 flashlights that were produced for the special order. Therefore, the population is all 2000 flashlights, not just the ones that were tested or the ones that were found to be defective.

A Flashlight Manufacturer Sets Aside a Production Line for the Assembly