SAT, 30.01.2021 19:30 ybetancourt1

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 40 ounces and a standard deviation of 10 ounces. a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 30 and 70 ounces? % c) What percentage of the widget weights lie above 20 ? %

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