Question: For the following probability mass function: (a) Compute the expected value of X, (b) compute the variance and standard deviation, (c) compute the probability that

For the following probability mass function:x 4 5 6 7 8 9 10 Px(x) 0.40 0.30 0.20

(a) Compute the expected value of X,

(b) compute the variance and standard deviation,

(c) compute the probability that X ≥ 6.

x 4 5 6 7 8 9 10 Px(x) 0.40 0.30 0.20 0.05 0.03 0.02 0.01

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