Posted by Denise on Tuesday, May 21, 2013 at 2:50pm.
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890.

Math  PsyDAG, Tuesday, May 21, 2013 at 6:40pm
Z = (scoremean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

Math  Denise, Wednesday, May 22, 2013 at 2:36am
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890.
This is from my Math Models class. I am not taking Statistics. Please someone show me how to do answer thisI don't just want an answer. I want the steps!!
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