For Any Normally Distributed Random Variable with Mean μ and Standard

question 44

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) 99.73%

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Definitions:

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