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An unknown distribution has a mean of 12 and a standard deviation of 1. A sample size of 25 is taken. Let X =
An unknown distribution has a mean of 12 and a standard deviation of 1. A sample size of 25 is taken. Let X = the object of interest. a. What is the mean of X? b. What is P(X = 290)? C. What is PEX 290)?
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Statistical Inference
Authors: George Casella, Roger L. Berger
2nd edition
0534243126, 978-0534243128
