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For Any Normally Distributed Random Variable with Mean μ and Standard

Question 21

Multiple Choice

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%

Correct Answer:

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