Question

A manufacturer of television wall mounts would like to make a chart to monitor the percentage of defective mounting brackets due to problems with drilled holes. These holes may be defective because they are off-center, out of round, or not drilled. Five samples, each of size 100, have been taken from the production process and the discrepancies are as follows:

Sample Percentage Defective
1 2.0
2 7.0
3 5.0
4 3.0
5 4.0
Using this information and a 3 standard deviation chart, the upper control limit is
A.0.0025.
B. 0.0420.
C.0.0602.
D.0.102.

Answer

This answer is hidden. It contains 80 characters.