Review Timelimit: 60 minutes. 37:35 remaining. IN
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 Empirical Rule.
Suggestion: sketch the distribution in order to answer these questions.
a) 68% of the widget weights lie between
and
0
b) What percentage of the widget weights lie between 24 and 1 ounces?
%
c) What percentage of the widget weights lie below 69 ?