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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The Acme Company manufactures widgets. The distribution
of widget weights is bell-shaped. The widget weights have a
mean of 54 ounces and a standard deviation of 7 ounces.
Use the Empirical Rule.
Suggestion: sketch the distribution in order to answer these
questions.
a) 99.7% of the widget weights lie between
and
b) What percentage of the widget weights lie between 47
and 75 ounces?
%
c) What percentage of the widget weights lie below 68 ?
%
20
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Transcribed Image Text:The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 54 ounces and a standard deviation of 7 ounces. Use the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 47 and 75 ounces? % c) What percentage of the widget weights lie below 68 ? % 20
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