Question 2: The range of the random variable X is [0, 1, 2, 3, x] where x is unknown. Each value is equally likely and the mean of X is 6. (a) Find the missing value x. (b) Calculate the variance of X.

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Question 2:
The range of the random variable X is [0, 1, 2, 3, x] where x is unknown. Each value is
equally likely and the mean of X is 6.
(a) Find the missing value x.
(b) Calculate the variance of X.
Transcribed Image Text:Question 2: The range of the random variable X is [0, 1, 2, 3, x] where x is unknown. Each value is equally likely and the mean of X is 6. (a) Find the missing value x. (b) Calculate the variance of X.
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