Amount of Food Sold
Suppose the hourly dollar amount of food sold by a local restaurant follows an approximately mound-shaped distribution, with a mean sales level of $400 per hour and a standard deviation of $60 per hour.
-Refer to the Amount of Food Sold statement. During what percentage of working hours does this restaurant sell between $280 and $520 worth of food per hour?

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The Answer of Amount of Food Sold
Suppose the hourly dollar amount of food sold by a local restaurant follows an approximately mound-shaped distribution, with a mean sales level of $400 per hour and a standard deviation of $60 per hour.
-Refer to the Amount of Food Sold statement. During what percentage of working hours does this restaurant sell between $280 and $520 worth of food per hour?