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Normal Probability and Distribution: Viewers of American Idol

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The number of viewers of American Idol has a mean of 29 million with a standard deviation of 5 million. Assume this distribution follows a normal distribution. What is the probability that next week's show will have (a) between 30 and 34 million viewers (b) have at least 23 million viewers and (c) exceed 40 million viewers?

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Solution Summary

The solution provides step by step method for the calculation of probability using the Z score. Formula for the calculations, work, graphs and interpretations of the results are also included.

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The number of viewers of American Idol has a mean of 29 million with a standard deviation of 5 million. Assume this distribution follows a normal distribution - what is the probability that next week's ...

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