Question: What is the answer A parcel service randomly selects 31 received packages. The sample has a mean weight of 27.2 pounds. Assume that o =

What is the answer

A parcel service randomly selects 31 received packages. The sample has a mean weight of 27.2 pounds. Assume that o = 3.1 pounds. What is the 95% confidence interval for the true mean weight, u, of all packages received by the parcel service? Round to two decimal places. O A. 25.77 to 28.63 pounds O B. 26.28 to 28.12 pounds C. 26.11 to 28 29 pounds O D. 25.90 to 28.50 pounds

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