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3. (8 points) A discrete random variable X has the following probability distribution table. Table 3 a. Find the value of C. (2 points) (Give

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3. (8 points) A discrete random variable X has the following probability distribution table. Table 3 a. Find the value of C. (2 points) (Give the answer in fraction) b. Find the probability that x is at most 2. (1 point) 0. Calculate the mean for the probability distribution. (2 points) d. Calculate standard deviation for the probability distribution. (3 points)

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