The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 35 ounces and a standard deviation of 7 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between oz and OZ b) What percentage of the widget weights lie between 28 and 56 ounces? % c) What percentage of the widget weights lie above 21 ? %