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Ten samples of 15 parts 1391


Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table:

SAMPLE - n - Number of Defective Items in the Sample
1 15 1
2 15 1
3 15 1
4 15 0
5 15 2
6 15 3
7 15 1
8 15 0
9 15 2
10 15 1

a. _
Determine the P, Sp, UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.)

P .08 <--- I got .08 for this answer and its correct but plugging this in I get everything else wrong
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