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The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have...

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 52 ounces and a standard deviation of 3 ounces. Use the Empirical Rule and a sketch of the normal distribution in order to answer these questions. a) 95% of the widget weights lie between and b) What percentage of the widget weights lie between 49 and 58 ounces? % c) What percentage of the widget weights lie above 46 ? % If you use the Empirical Rule, you should not need rounding directions.

Math   Statistics-And-Probability   
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