Question: Consider random variables X1, X2, X3 which are identically independently distributed with normal distribution with mean y and vari- ance o?. Let Y = Xi+X2+X3

Consider random variables X1, X2, X3 which are identically independently distributed

Consider random variables X1, X2, X3 which are identically independently distributed with normal distribution with mean y and vari- ance o?. Let Y = Xi+X2+X3 . (a) Derive the mathematical expectation and standard deviation of Y. (b) Interpret your results in the terms of several identical entrepreneurs forming a partnership and collectively issuing securities to finance their project

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