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You are attempting to develop a quality monitoring system for some parts purchased from Charles Sox Manufacturing Co. These parts are either good or...

You are attempting to develop a quality monitoring system for some parts purchased from Charles Sox Manufacturing Co. These parts are either good or defective. You have decided to take a sample of 100 units. Develop a table of the appropriate upper and lower control chart limits for various values of the average fraction defective in the samples taken. The values for p in this table should range from 002 to 0.10 in increments of 0.02. Develop the upper and lower control limits for a 99.73% confidence level.

n = 100

P

UCL

LCL

0.02

0.04

0.06

0.08

0.10


Top Answer

Step-1: Formulas to calculate UCL & LCL in p-bar control chart are: UCLp = p bar + z(σ p ) & LCLp = p bar - z(σ p )... View the full answer

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