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September 2, 2014

September 2, 2014

Posted by **KiKi** on Sunday, October 28, 2012 at 8:32pm.

- DBU -
**MathMate**, Sunday, October 28, 2012 at 10:20pmZ=(28-μ)/σ

Look up the standard normal distribution table and look at the percentage for the left tail.

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