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September 18, 2014

Homework Help: statistics

Posted by Zelinka on Wednesday, May 4, 2011 at 12:22pm.

A random sample of n= 16 scores is selected from a normal distribution with a mean of u=50 and a standard deviation of q=10. A. what is th probability that the sample mean will have a value between 45 and 55? B. What is the probability that a sample mean will have a value between 488 and 52? C. What range of value has a 95% probability of containing the sample mean?

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