A sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean standard deviation was 4.7 pounds. Construct 95% and 99% confidence intervals for the mean amount of garbage per bin for all bins in the city. a) What is the lower limit of the 95% interval? Give your answer to three decimal places. b) What is the upper limit of the 95% interval? Give your answer to three decimal places. c) What is the lower limit of the 99% interval? Give your answer to three decimal places. d) What is the upper limit of the 99% interval? Give your answer to three decimal places X X X
A sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean standard deviation was 4.7 pounds. Construct 95% and 99% confidence intervals for the mean amount of garbage per bin for all bins in the city. a) What is the lower limit of the 95% interval? Give your answer to three decimal places. b) What is the upper limit of the 95% interval? Give your answer to three decimal places. c) What is the lower limit of the 99% interval? Give your answer to three decimal places. d) What is the upper limit of the 99% interval? Give your answer to three decimal places X X X
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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Transcribed Image Text:A sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean
standard deviation was 4.7 pounds. Construct 95% and 99% confidence intervals for the mean amount of garbage per bin for all bins in the city.
a) What is the lower limit of the 95% interval? Give your answer to three decimal places.
b) What is the upper limit of the 95% interval? Give your answer to three decimal places.
c) What is the lower limit of the 99% interval? Give your answer to three decimal places.
d) What is the upper limit of the 99% interval? Give your answer to three decimal places
X
X
X
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