emilyrandersonx emilyrandersonx

02-03-2017
Mathematics

contestada

X is a random independent variable with mean 20 and standard deviation of 5. Also suppose that y is a random independent variable with mean of 40 and standard deviation 10. Find the variance and standard deviation of the random variable Z = 2 + 10x

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qnguyen191 qnguyen191

02-03-2017

The variable equals 4.

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