once I calculate a z-score of 12 yrs to be .7736 when the mean is 7.9 and

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once I calculate a z-score of 12 yrs to be .7736 when the mean is 7.9 and the standard deviation is 5.3, how do I calculate percentage of more than 12 yrs

Posted Date: May 17, 2024 10:07 PM

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once I calculate a z-score of 12 yrs to be .7736 when the mean is 7.9 and

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