The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 61 ounces and a standard deviation of 8 ounces.

Use the Standard Deviation Rule, also known as the Empirical Rule (see image below).Do not use normal cdf on your calculator.

Suggestion: sketch the distribution in order to answer these questions.

a) 95% of the widget weights lie betweenand

b) What percentage of the widget weights lie between 53 and 77 ounces?%

c) What percentage of the widget weights lie above 37 ?%