A manufacturer of cellular phones has decided that an assembly line is operating satisfactorily if less than 0.0 2% of the phones produced per day are defective. To check the quality of a day s production, the company decides to randomly sample 40 phones from a day s production to test for defects. Define the population of interest to the manufacturer.
A) all the phones produced during the day in question
B) the 40 phones sampled and tested
C) the 40 responses: defective or not defective
D) the 0.02% of the phones that are defective

Question

Quizplus · Accepted Answer

The population of interest to the manufacturer includes all the phones produced during the day in question, as the goal is to ensure the overall production quality meets the standard of less than 0.02% defects.

A Manufacturer of Cellular Phones Has Decided That an Assembly