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 1600 seniors who pay for their medicines showed that they spent an average of $4300 last year on medicines with a standard deviation of $500. Make a 90% confidence interval for the corresponding population mean. Round your answers to cents. i to $ 4320.57 %24
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 1600 seniors who pay for their medicines showed that they spent an average of $4300 last year on medicines with a standard deviation of $500. Make a 90% confidence interval for the corresponding population mean. Round your answers to cents. i to $ 4320.57 %24
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![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 1600 seniors who pay for their
medicines showed that they spent an average of
$4300 last year on medicines with a standard
deviation of $500. Make a 90% confidence
interval for the corresponding population mean.
Round your answers to cents.
to $
4320.57
%24](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7f9bf3e-5fa8-4af3-842f-42d6ad255ecb%2F2e56df17-dd5c-42a3-9196-10a6ae1c284a%2Fgookwgj_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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 1600 seniors who pay for their
medicines showed that they spent an average of
$4300 last year on medicines with a standard
deviation of $500. Make a 90% confidence
interval for the corresponding population mean.
Round your answers to cents.
to $
4320.57
%24
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