The table below gives the probability distribution for a discrete random variable X. X 0 1 2 3 4 5 p 0.29 0.16 ? 0.20 0.14 0.05 A. What is the missing number to make the probability distribution valid? The missing number is 0.15 B. What is the expected value of X? μ = E(X)= 0.32 8. C. What is the standard deviation of X? σ= 0.63 Round to 2 decimal places, as needed.

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