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January 25, 2015

January 25, 2015

Posted by **Anonymous** on Saturday, July 28, 2012 at 10:32am.

- statistics -
**MathGuru**, Saturday, July 28, 2012 at 7:42pmUse z-scores.

Formula:

z = (x - mean)/sd

mean = 500

sd = 50

x = 350

Substitute the values into the formula and find z. Use a z-table to determine your probability.

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