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Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they make. Looking at the type of defects, they found
Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they make. Looking at the type of defects, they found in a three-month time period that out of 34,183 defective lenses, 5824 were due to scratches. Find a 90% confidence interval for the proportion of defects that are from scratches. Round to three decimal places. With % confidence, we can conclude that the true proportion of defects that are from scratches is between and
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