Question: The chips have provided your organisation with a high margin of profitability. Lately the percentage defective for the computer chips produced by your organisation has

The chips have provided your organisation with a high margin of profitability. Lately the percentage defective for the computer chips produced by your organisation has been averaging 2.5%. Samples of 200 computer chips are taken. Management is of the opinion that the defects are excessive. You are required to compute the upper and lower control-chart limits for this process at 99.7% confidence.

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