MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
The weights of ice cream cartons are normally distributed with a mean weight of
7
ounces and a standard deviation of
0.7
ounce.
​(a) What is the probability that a randomly selected carton has a weight greater than 7.25 ​ounces?
​(b) A sample of 36 cartons is randomly selected. What is the probability that their mean weight is greater than 7.25 ​ounces?
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