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)None of the above

Question

Quizplus · Accepted Answer

The rule for normal distribution is that approximately 68% of all possible observed values will be within one standard deviation of the mean, approximately 95% will be within two standard deviations, and approximately 99.7% will be within three standard deviations. Therefore, the answer is option C - 99.73%.

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