If the random variable of x is normally distributed,____% 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)Cannot be determined without knowing the actual mean and standard deviation.

Question

Quizplus · Accepted Answer

According to the empirical rule, 99.73% of all possible values fall within three standard deviations of the mean for a normally distributed variable. This holds true regardless of the actual mean and standard deviation.

If the Random Variable of X Is Normally Distributed,____% of All