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Amy works for a company that produces plastic lids and cups for restaurants. She wants to...

Amy works for a company that produces plastic lids and cups for restaurants. She wants to estimate what proportion of lids produced have a defect that make them not fit the cups. She takes a random sample of 250 lids and finds that 15 lids have a defect. Find the 99% confidence interval for the proportion of lids that have a defect overall

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