Question: Problem 4 (20pts) A machine is used to fill containers with a liquid product. Fill volume can be assumed to be normally distributed. A random

Problem 4 (20pts) A machine is used to fill containers with a liquid product. Fill volume can be assumed to be normally distributed. A random sample of ten containers is selected, and the net contents (oz) are as follows: 12.03, 12.01, 12.04, 12.02, 12.05, 11.98, 11.96, 12.02, 12.05, and 11.99. (a) Suppose that the manufacturer wants to be sure that the mean net contents exceeds 12 oz. What conclusions can be drawn from the data (use a = 0.01)? (b) Construct a 95% two-sided confidence interval on the mean fill volume. (c) Does the assumption of normality seem appropriate for the fill volume data? Why? (Only required for IEMS103 students)

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