The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 42 ounces and a standard deviation of 9 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule (see image below). Do not use normalcdf on your calculator. 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 24 and 69 ounces? c) What percentage of the widget weights lie above 33 ? 34% 34% 2.35%, 2.35% 13.5% 13.5% 0 15% 015%

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The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget
weights have a mean of 42 ounces and a standard deviation of 9 ounces.
Use the Standard Deviation Rule, also known as the Empirical Rule (see image below). Do not use
normalcdf on your calculator.
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 24 and 69 ounces?
%
c) What percentage of the widget weights lie above 33 ?
%
34%
34%
2.35%
2.35%
13.5%
13.5%
0.15%.
0.15%
-1s
Transcribed Image Text:The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 42 ounces and a standard deviation of 9 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule (see image below). Do not use normalcdf on your calculator. 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 24 and 69 ounces? % c) What percentage of the widget weights lie above 33 ? % 34% 34% 2.35% 2.35% 13.5% 13.5% 0.15%. 0.15% -1s
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