If the random variable x is normally distributed, ________ percent of all possible observed values of x will be within three standard deviations of the mean.
A) 68.26
B) 95.44
C) 99.73
D) 100
E) None of these answers are correct.

Question

Quizplus · Accepted Answer

About 68% are within 1 standard deviation of the mean and about 95% are within 2 standard deviations of the mean.

If the Random Variable X Is Normally Distributed, ________ Percent