Question
Asked May 9, 2019

Z = xσx= 71.9769-651.2294=5.675

But i cant find a z score for the value but all my work is correct, how do i reject or find a  zscore for my critical regions of -1.96  and 1.96

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In this question we have the value of Z SCORE which is 5.67...

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Statistics

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