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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
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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

User Sreekant Shenoy
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The variable equals 4.
User Tinproject
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