P(µ - σ≤x≤µ + σ)=_________?
Correct answer: A. .6826
- A. .6826
- B. .6743
- C. .6745
- D. .2345
Explanation
About 68.26% of observations in a normal distribution lie within one standard deviation of the mean. Thus P(μ − σ ≤ X ≤ μ + σ) = 0.6826.
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