Question

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 11 ounces.

Use the Standard Deviation Rule, also known as the Empirical Rule.

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

i&ii) 99.7% of the widget weights lie between____ and _____

iii) What percentage of the widget weights lie between 43 and 87 ounces? _____ % (answer as a whole number)

iv) What percentage of the widget weights lie below 76 ? _______ % (answer as a whole number)

Answer 1