The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a

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The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-shaped distribution. This distribution has a mean of 50 and a standard deviation of 9. Using the empirical rule, what is the approximate percentage of 1-mile long roadways with potholes numbering between 41 and 77?

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 63 ounces and a standard deviation of 9 ounces.

Use the Empirical Rule.

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 36 and 81 ounces?%

c) What percentage of the widget weights lie below 72 ?

Posted Date: Jun 23, 2024 02:13 PM

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The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a

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