select the correct answer. for a normal distribution, what percentage of values lies within two standard…

select the correct answer. for a normal distribution, what percentage of values lies within two standard deviations of the mean? a. 99.7% b. 97% c. 68% d. 95%

select the correct answer. for a normal distribution, what percentage of values lies within two standard deviations of the mean? a. 99.7% b. 97% c. 68% d. 95%

Answer

Explanation:

Step1: Recall empirical rule

The empirical rule for a normal - distribution states that approximately 68% of the data lies within 1 standard deviation of the mean, approximately 95% of the data lies within 2 standard deviations of the mean, and approximately 99.7% of the data lies within 3 standard deviations of the mean.

Answer:

D. 95%