Mathematics, 28.07.2019 07:30 sophie5988
Suppose x has a distribution with mean 10 and variance 4, y has a distribution with mean 20 and variance 9. you can find the mean of x + y with this information.
Answers: 1
, then we get![\mathbb E[X+Y]=\mathbb E[X]+\mathbb E[Y]=10+20=30](/tpl/images/0142/0031/560b0.png)
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Suppose x has a distribution with mean 10 and variance 4, y has a distribution with mean 20 and vari...
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