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28-04-2017
Mathematics

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A set of data items is normally distributed with a mean of 300 and a standard deviation of 10. Find the data item in this distribution that corresponds to the given z-score. z equals 2.5

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LammettHash LammettHash

12-05-2017

[tex]z=\dfrac{x-\mu}\sigma\iff2.5=\dfrac{x-300}{10}\implies x=325[/tex]

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