Homework Help: Stats

Posted by Marie on Saturday, November 17, 2012 at 3:14pm.

Suppose X is a uniform random variable with C = 20 and d = 90. Find the probability that a randomly selected observation is between 23 and 85.

Stats (?) - PsyDAG, Saturday, November 17, 2012 at 9:11pm
I don't know what C and d indicate.

Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z scores.

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