Question
Which of the following statements about the normal distribution is CORRECT ? a). Approximately 2.5% of the observations from a normal distribution lie outside the
Which of the following statements about the normal distribution isCORRECT?
a). Approximately 2.5% of the observations from a normal distribution lie outside the mean +/- 2SD (2*standard deviation),
b). Approximately 10% of the observations from a normal distribution lie outside the mean +/- 2SD (2*standard deviation),
c). Approximately 1% of the observations from a normal distribution lie outside the mean +/- 2SD (2*standard deviation),
d). Approximately 5% of the observations from a normal distribution lie outside the mean +/- 2SD (2*standard deviation),
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