You want to determine the control lines for a "p" chart for quality control purposes.If the desired confidence level is 99 percent,which of the following values for "z" would you use in computing the UCL and LCL?
A)0.99
B)2
C)2.58
D)3
E)None of the above

Question

Quizplus · Accepted Answer

In order to determine the control lines for a "p" chart with a desired confidence level of 99 percent, we would use a z-score of 2.58, which corresponds to the critical value at the 99 percent confidence level. Therefore, the correct answer is (C) 2.58.

You Want to Determine the Control Lines for a "P