Question: 5. Consider the discrete random variable X whose probability density function is x +1 f ( x ) = 10 , X E {0,1,2,3} (10

5. Consider the discrete random variable X whose probability density function is x +1 f ( x ) = 10 , X E {0,1,2,3} (10 points) (a) Graph the pdf. (b) Give the cumulative distribution function (cdf) of X. (c) Compute the mean / of X. (d) Compute the variance o of X

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