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October 30, 2014

October 30, 2014

Posted by **English Test Scores** on Monday, November 1, 2010 at 2:57pm.

- statistics -
**Anonymous**, Thursday, November 11, 2010 at 10:47pmGo to the Z tables for standard normal distrobution and find the normalized value for 0.41. You have to interpralte because the closest value is between -0.22 and -0.23. So Z=approx-0.225. From here you can solve for x using algebra. (x-33.6)/8.3=-0.225. Therefore x=(-0.225*8.3)+33.6=31.7325

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