The weights of four randomly and independently selected bags of potatoes labeled 20 pounds were found to
Question:
The weights of four randomly and independently selected bags of potatoes labeled 20 pounds were found to be 21.0, 21.5, 20.5, and 21.2 pounds. Assume Normality.
a. Find a 95% confidence interval for the mean weight of all bags of potatoes.
b. Does the interval capture 20.0 pounds? Is there enough evidence to reject a mean weight of 20 pounds?
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Random Sample Independence and Big Population are met Large Sample Normal Dist...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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