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Computers and Technology, 16.07.2021 19:50 zuleromanos

Assume X and Y are indepndent. Assume that X has mean 10 and standard deviation 8. Assume Y has mean 12 and standard deviation 6. What is the standard deviation of the variable Z = X + Y. a. 8 b. 6 c. 10 d. 12

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Assume X and Y are indepndent. Assume that X has mean 10 and standard deviation 8. Assume Y has mean...

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