Question: Question 5:20 points) (A) A quality control engineer is interested in estimating the proportion of defective items coming off a production line. In a sample

Question 5:20 points) (A) A quality control engineer is interested in estimating the proportion of defective items coming off a production line. In a sample of 200 items, 28 are defective. Required: Find the 95% confidence interval for the proportion of defectives from this production line (B) A laboratory tested 15 chicken eggs and found that the average amount of cholesterol (sample mean) was 187 milligrams with a sample standard deviation of 18.2 milligrams. Required: Construct a 90% confidence interval for the population mean of cholesterol content of all such eggs. (Round your answers to 2 decimal places) (C) Interpret the results (the intervals) you got in both the scenario given above (A and B)

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