The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 56 ounces and a standard deviation of 8 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 95% of the widget weights lie between and b) What percentage of the widget weights lie between 48 and 72 ounces? % c) What percentage of the widget weights lie above 32 ? %

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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The Acme Company manufactures widgets. The
distribution of widget weights is bell-shaped. The
widget weights have a mean of 56 ounces and a
standard deviation of 8 ounces.
Use the Standard Deviation Rule, also known as
the Empirical Rule.
Suggestion: sketch the distribution in order to
answer these questions.
a) 95% of the widget weights lie between
and
b) What percentage of the widget weights lie
between 48 and 72 ounces?
%
c) What percentage of the widget weights lie
above 32 ?
|%
Transcribed Image Text:The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 56 ounces and a standard deviation of 8 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 95% of the widget weights lie between and b) What percentage of the widget weights lie between 48 and 72 ounces? % c) What percentage of the widget weights lie above 32 ? |%
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