With a Normal Distribution,we Know That Approximately

Multiple Choice

With a normal distribution,we know that approximately

A) 95% of all observations will fall within one standard deviation of the mean.
B) 99% of all observations will fall within one standard deviation of the mean.
C) 95% of all observations will fall within two standard deviations of the mean.
D) 99% of all observations will fall within two standard deviations of the mean.
E) 95% of all observations will fall within three standard deviations of the mean.