SOLUTION: looking for another opinion on this question What is the minimum percentage of data in any frequency distribution that lies within three standard deviations of its mean?

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Question 80677: looking for another opinion on this question
What is the minimum percentage of data in any frequency distribution that lies within three standard deviations of its mean?
a. 67% b. 75%
c. 25% d. answer not listed.
I think it is b but not sure thank you for the help
Answer by rapaljer(4551) (Show Source):
You can put this solution on YOUR website!
The answer is not listed.

According to the Empirical Rule, for normally distributed populations,
1. approximately 68% of the population lies within 1 standard deviation of the mean.
2. approximately 95% of the population lies within 2 standard deviations of the mean.
3. approximately 99% of the population lies within 3 standard deviations of the mean.

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