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Please help, thanks! Consider the discrete random variable X with the following distribution. X 5 6 3 12 8.. Explain why this represents a valid

Please help, thanks!

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Consider the discrete random variable X with the following distribution. X 5 6 3 12 8.. Explain why this represents a valid probability model. PUG 0'2 0'2 0'3 0'3 b. Find the expected value and standard deviation of X. c. What is the median for the distribution of X ? Explain how you made your calculation

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