A paint manufacturer uses a machine to fill gallon cans with paint (1 gal = 128 ounces). The manufacturer wants to estimate the mean volume of paint the machine is putting in the cans within 0.5 ounce. Assume the population of volumes is normally distributed. (a) Determine the minimum sample size required to construct a 90% confidence interval for the population mean. Assume the population standard deviation is 0.66 ounce. (b) The sample mean is 127.75 ounces. With a sample size of 7, a 90% level of confidence, and a population standard deviation of 0.66 ounce, does it seem possible that the population mean could be exactly 128 ounces? Explain. Click here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. (a) The minimum sample size required to construct a 90% confidence interval is (Round up to the nearest whole number.) (b) The 90% confidence interval for a sample size of 7 is (). It confidence interval. (Round to two decimal places as needed.). cans. seem possible that the population mean could be exactly 128 ounces because 128 ounces falls does not does C the
A paint manufacturer uses a machine to fill gallon cans with paint (1 gal = 128 ounces). The manufacturer wants to estimate the mean volume of paint the machine is putting in the cans within 0.5 ounce. Assume the population of volumes is normally distributed. (a) Determine the minimum sample size required to construct a 90% confidence interval for the population mean. Assume the population standard deviation is 0.66 ounce. (b) The sample mean is 127.75 ounces. With a sample size of 7, a 90% level of confidence, and a population standard deviation of 0.66 ounce, does it seem possible that the population mean could be exactly 128 ounces? Explain. Click here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. (a) The minimum sample size required to construct a 90% confidence interval is (Round up to the nearest whole number.) (b) The 90% confidence interval for a sample size of 7 is (). It confidence interval. (Round to two decimal places as needed.). cans. seem possible that the population mean could be exactly 128 ounces because 128 ounces falls does not does C the
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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