23-02-2017
Mathematics

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A set of data items in normally distributed with a mean of 400 & a standard deviation of 40. Find the data item in this distribution that corresponds to the given Z-score.

The data item that corresponds to z=-6.3 is

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LammettHash LammettHash

23-02-2017

[tex]-6.3=\dfrac{x-400}{40}\implies x=148[/tex]

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