For any normally distributed random variable with mean μ and standard deviation σ,the percent of the observations that fall between [μ - 2σ,μ + 2σ] is the closest to ______.
A) 68%
B) 68.26%
C) 95%
D) 95.44%

Question

Quizplus · Accepted Answer

For a normal distribution, approximately 95.44% of the data falls within two standard deviations (μ ± 2σ) from the mean.

For Any Normally Distributed Random Variable with Mean μ and Standard