uppose widget masses have a mean of 20 grams and a standard deviation of 5 grams. It is known that 5grams is the 84th percentile of the widget masses. A random sample of 500 widgets is taken. Find pproximate probabilities for each of the following: a. The average mass of the widgets in the random sample was greater than 20.1 grams. b. More than 100 of the widgets have mass more than 25 grams.
uppose widget masses have a mean of 20 grams and a standard deviation of 5 grams. It is known that 5grams is the 84th percentile of the widget masses. A random sample of 500 widgets is taken. Find pproximate probabilities for each of the following: a. The average mass of the widgets in the random sample was greater than 20.1 grams. b. More than 100 of the widgets have mass more than 25 grams.
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:Suppose widget masses have a mean of 20 grams and a standard deviation of 5 grams. It is known that
25grams is the 84th percentile of the widget masses. A random sample of 500 widgets is taken. Find
approximate probabilities for each of the following:
a. The average mass of the widgets in the random sample was greater than 20.1 grams.
b. More than 100 of the widgets have mass more than 25 grams.
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