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For a roll of a fair die with 4 sides, numbered 1-4: (a) Find the expected...

For a roll of a fair die with 4 sides, numbered 1-4:

(a) Find the expected value and the variance

(b) Find the probability distribution for the average of two rolls of a fair die with four sides. Then, compute expected value and variance of the average from the distribution

(c) How were the answers to part (b) related to those of part (a)

Math   Statistics-And-Probability   
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