стents. (d) Give the linear correlation coefficient and interpret. Problem 12 (10 points). The mean shipment time of 5 shipments from a supplier to Costco is x =3 days, with a standard deviation s = 1 day. Give a 95% confidence interval for the true mean shipment time. What distribution did you use and why? Given an interpretation of this confidence interval. Problem 13 (5 points). Classify each of the following variables as qualitative or quanti-

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Q: I just need problem 2

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.