October 7, 2015

Homework Help: statistics

Posted by Robbie on Wednesday, November 7, 2012 at 8:48pm.

A normal distribution has a mean of 100 and standard deviation of 20. What is the
probability of randomly selecting a score less than 130 from this distribution?
a, p=0.9032
b, p=0.9332
c, p=0.0968
d, p=0.0668

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