Over several days, 25 samples of 100 items each were tested for electrical resistance. A total of 60 items failed. Determine $\bar { p }$ and the control limits for a p chart.

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The Answer of Over several days, 25 samples of 100 items each were tested for electrical resistance. A total of 60 items failed. Determine $\bar { p }$ and the control limits for a p chart.

Over Several Days, 25 Samples of 100 Items Each Were pˉ\bar { p }pˉ​

Over Several Days, 25 Samples of 100 Items Each Were $\bar { p }$