In the ideal normal curve,95% of the population falls within _____ standard deviation(s)of the mean.
A)one
B)two
C)three
D)four

Question

Quizplus · Accepted Answer

The Empirical Rule, also known as the 68-95-99.7 rule, states that for a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, approximately 95% falls within two standard deviations, and approximately 99.7% falls within three standard deviations. Therefore, the best choice is B) two.

In the Ideal Normal Curve,95% of the Population Falls Within