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A coffee house owner knows that customers pour different amounts of coffee into their cups. She samples cups from 10 costumers she believes to be representative of the customers and weighs the​ cups, finding a mean of 12.5 ounces and standard deviation of 0.5 ounces. Assuming these cups of coffee can be considered a random sample of all cups of coffee which of the following formulas gives a​ 95% confidence interval for the mean weight of all cups of​ coffee? Round the test statistic to three decimal places as needed.       Question content area bottom Part 1   A. 12.5±2.262 0.510   B. 12.5±2.262 0.59   C. 12.5±1.969 0.510   D. 12.5±2.228 0.59   E. 12.5±2.228

A coffee house owner knows that customers pour different amounts of coffee into their cups. She samples cups from 10 costumers she believes to be representative of the customers and weighs the​ cups, finding a mean of 12.5 ounces and standard deviation of 0.5 ounces. Assuming these cups of coffee can be considered a random sample of all cups of coffee which of the following formulas gives a​ 95% confidence interval for the mean weight of all cups of​ coffee? Round the test statistic to three decimal places as needed.       Question content area bottom Part 1   A. 12.5±2.262 0.510   B. 12.5±2.262 0.59   C. 12.5±1.969 0.510   D. 12.5±2.228 0.59   E. 12.5±2.228

MATLAB: An Introduction with Applications
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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A coffee house owner knows that customers pour different amounts of coffee into their cups. She samples cups from 10 costumers she believes to be representative of the customers and weighs the​ cups, finding a mean of 12.5 ounces and standard deviation of 0.5 ounces. Assuming these cups of coffee can be considered a random sample of all cups of coffee which of the following formulas gives a​ 95% confidence interval for the mean weight of all cups of​ coffee? Round the test statistic to three decimal places as needed.
 
 
 

Question content area bottom

Part 1
 
A.
12.5±2.262
0.510
 
B.
12.5±2.262
0.59
 
C.
12.5±1.969
0.510
 
D.
12.5±2.228
0.59
 
E.
12.5±2.228
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