<PRE><B>Question 309338</B>
Find the value of z such that 25% of the distribution lies between it and the mean.
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Draw the picture.
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There are two z-values.
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One has a left tail of 0.25
invNorm(0.25) = -0.6745
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The other has a left tail of 0.75
invNorm(0.75) = 0.6745
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Cheers,
Stan H.
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