Question

21.4.4 Quiz: Normal Curves

Answer 1

Using the Empirical Rule, approximately 95% of the area under the whole curve is in the two tails.

What does the Empirical Rule state?

It states that, for a normally distributed random variable:

• Approximately 68% of the measures are within 1 standard deviation of the mean.

• Approximately 95% of the measures are within 2 standard deviations of  the mean.

• Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Hence, approximately 95% of the area under the whole curve is in the two tails.

More can be learned about the Empirical Rule at brainly.com/question/24537145

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