Predicting Population Percentages Using a Graphing Calculator

This lesson teaches how to predict population percentages using a graphing calculator. It reviews the normal model, emphasizing the need to check data distribution before applying it. The empirical rule is explained, highlighting its limitations. A practical example using milk jugs demonstrates how to use a graphing calculator to find percentages under a normal distribution. The lesson also covers different methods for determining probabilities and provides detailed instructions for using a graphing calculator's statistics functions.

How can a quick sketch of the normal curve assist in solving problems related to normal distributions?

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In the context of the milk jug example, how do you determine the percentage of jugs that need to be refilled?

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What methods can be used to determine probabilities from a normal distribution?

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