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Given independent random variables with means and standard deviations as shown, find the mean and standard...

Question

Given independent random variables with means and standard deviations as shown, find the mean and standard...

Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of each of these variables a) 5X d) 4X-2Y Mean 100 20 SD 13 4 b) 4Y+5 c)5X+4Y a) Find the mean and standard deviation for the random variable 5X.

Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of each of these variables a) 5X d) 4X-2Y Mean 100 20 SD 13 4 b) 4Y+5 c)5X+4Y a) Find the mean and standard deviation for the random variable 5X.

Answers

Given mean μ,-100 and standard deviation σ,-13 a) Mean E(5X) -5*E(X) Hx =5*100 ร์00 Standard deviation SD(5X) 5 =5*13


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