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A manufacturer produces intraocular lenses. A sample of 300 lenses is obtained which contain 7 defective...

A manufacturer produces intraocular lenses. A sample of 300 lenses is obtained which contain 7 defective ones from a polishing machine

a. Find the confidence interval for the defective fraction of the polisher with 95% confidence.

b.Determine the sample size so that with 95% confidence we have an error in estimating the proportion of 0.016
Math   Statistics-And-Probability   
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