The percent defective for parts produced by a manufacturing process is targeted at 4%. The process is
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Question:
The percent defective for parts produced by a manufacturing process is targeted at 4%. The process is monitored daily by taking samples of sizes n = 160 units. Suppose that today's sample contains 14 defectives.
How many units would have to be sampled to be 95% confident that you can estimate the fraction of defective parts within 2% (using the information from today's sample--that is using the result that
p=0.0875
Place your answer, as a whole number, in the blank. For example 567 would be a legitimate entry.
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