The Quality Control Department wants to estimate the true percentage of rework for electrical components to within ±4%, with 99% confidence. Based on similar past
Studies, the percentage of rework was found to be 12%. How many components should
They sample?
A) 651
B) 1000
C) 344
D) 438
E) 579

Question

Quizplus · Accepted Answer

The Answer of The Quality Control Department wants to estimate the true percentage of rework for electrical components to within ±4%, with 99% confidence. Based on similar past
Studies, the percentage of rework was found to be 12%. How many components should
They sample?
A) 651
B) 1000
C) 344
D) 438
E) 579

The Quality Control Department Wants to Estimate the True Percentage