Let 0

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Let 0 <α< 1. For a normally distributed variable, show that 100(1 − α)% of all possible observations lie within zα/2 standard deviations to either side of the mean, that is, between μ − zα/2 · σ

and μ + zα/2 · σ.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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