On a normal curve,99 percent of all the cases would be found between which two standard deviations (SDs)?
A)0 and +3
B)-1 and +2
C)-2 and +2
D)-3 and +3

Name: On a normal curve,99 percent of all the cases would be found between which two standard deviations (SDs)? A)0 and +3 B)-1 and +2 C)-2 and +2 D)-3 and +3
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Quizplus · Accepted Answer

In a normal distribution, approximately 99.7% of data falls within three standard deviations from the mean, so 99% would be very close to this range, between -3 and +3 SDs.

On a Normal Curve,99 Percent of All the Cases Would