Under the normal curve, how many cases, of a sample of 500, would we expect to find
a. Within 2 standard deviations from the mean (±)?
b. More than 3 standard deviations away from the mean (±)?

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The Answer of Under the normal curve, how many cases, of a sample of 500, would we expect to find
a. Within 2 standard deviations from the mean (±)?
b. More than 3 standard deviations away from the mean (±)?

Under the Normal Curve, How Many Cases, of a Sample