2.2 Using the 68-95-99.7 Rule in Normal Distribution


This statistics lesson shows you how to compute for the area or percentage under the Standard Normal curve using the empirical rule. This method is used in computing for some problems involving Normal probability without using the z-score table. 

More Practice Exercise

This statistics lesson shows you how to use the empirical rule or the 68-95-99.7 percentage of the Normal curve. Using this property of the Normal distribution will help you solve Normal probability distributions and problems involving Normal curve

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AP Statistics