The high price of medicines is a source of major expense for those seniors in the United States who have to pay for these medicines themselves. A random sample of 1300 seniors who pay for their medicines showed that they spent an average of $ 4300 last year on medicines with a standard deviation of $ 900 . Make a 95 % confidence interval for the corresponding population mean. Round your answers to cents.

The high price of medicines is a source of major expense for those seniors in the United States who have to pay for these medicines themselves. A random sample of 1300 seniors who pay for their medicines showed that they spent an average of $ 4300 last year on medicines with a standard deviation of $ 900 . Make a 95 % confidence interval for the corresponding population mean. Round your answers to cents.

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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