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

Question

Quizplus · Accepted Answer

According to the empirical rule, 99.73% of all possible observed values of a normally distributed random variable will be within three standard deviations of the mean.

If the Random Variable X Is Normally Distributed,______ Percent of All