# Let X be a discrete random variable with mean 3 and standard deviation 2, let Y1=2X+3 and Y2=3X-2. Find the mean and variance of Y1 and Y2.?

• Let X be a discrete random variable with mean 3 and standard deviation 2, let Y1=2X+3 and Y2=3X-2. Find the mean and variance of Y1 and Y2.?

Mean and Variance of Random Variables Mean ... The variance of a discrete random variable X measures ... 968 + 1.764 = 3.960, with standard deviation = 1 ...
Positive: 26 %
Be able to compute the variance and standard deviation of a random variable. 2 ... mean. E (X)=μ, then the. variance. ... Variance of Discrete Random ...
Positive: 23 %

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