The Quality of an Electronic Component Used in Manufacturing Cell

question 116

Multiple Choice

The quality of an electronic component used in manufacturing cell phones is monitored with a p-chart.In the last 20 days daily samples of 75 units resulted in the following number of defective units per sample: 8,4,3,7,3,1,0,7,4,2,0,1,6,2,4,3,1,2,8,5
Find the LCL and UCL for the p-chart

• A)(0 .1208)
• B)(.0228 .0718)
• C)(0 .1897)
• D)(.0445 .0501)