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Estimating the Mean and standard deviation of random variables.

Given independent random variables X and Y with means and standard deviations as shown, find out the mean and the standard deviation of each of these variables:

a)      Y-10

b)     5X

c)      0.5X+Y

d)     Y-X

e)      X+Y+3

 

MEAN

SD

X

20

6

Y

75

8

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919705

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