For a normal distribution,what is the likelihood (expressed as a percentage)that a random variable is within plus and minus two standard deviations of the mean?
A)68.26%
B)99.74%
C)34.13%
D)95.44%

Question

Quizplus · Accepted Answer

This is known as the 95.44% rule, or the empirical rule for a normal distribution, which states that approximately 95.44% of the data falls within two standard deviations of the mean.

For a Normal Distribution,what Is the Likelihood (Expressed as a Percentage)that