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A frequency distribution has a mean of 200 and a standard deviation of 20. The class...

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Basic Math

A frequency distribution has a mean of 200 and a standarddeviation of 20. The class limits for one class are 220 up to 240.What is the area associated with the class? Select one: a. -2.0 and-1.0 b. 1.0 and 2.0 c. 0.8185 d. 0.4772 e. 0.1359

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Here we have given that mean 200 and standard    See Answer
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