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M4U - Journal - Ch8: The Normal Distribution Why is the z-score for 97.5% used to construct a 95% confidence interval? Support your answer with

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M4U - Journal - Ch8: The Normal Distribution Why is the z-score for 97.5% used to construct a 95% confidence interval? Support your answer with a tched distribution. Given that Zo.975 = 1.96, approximately how many standard deviations wide is a 95% confidence interval? MDM4U_Journal (Communication)

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