An evaluation score X1 of a candidate using method 1 has a
Chapter 2, Problem 2.9.25(choose chapter or problem)
An evaluation score X1 of a candidate using method 1 has a mean of 100 and a standard deviation of 12, while an evaluation score X2 of a candidate using method 2 has a mean of 100 and a standard deviation of 13. If the two evaluation scores are independent, what values of c1 and c2 can be chosen so that the combined score Y =c1X1 +c2X2 has a mean of 100 and a standard deviation of 10?
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