Question: A firm produces computer chips for personal computers From past

A firm produces computer chips for personal computers.
From past experience, the firm knows that 4% of the chips are defective. The firm collects a sample of the first 500 chips manufactured at 1:00 pm for the past two weeks. The following sample proportions are obtained:


a. Construct a p chart. Plot the sample proportions on the p chart.
b. Can the firm conclude that the process is operating properly?
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  • CreatedJanuary 28, 2015
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