Question: The probability distribution for a random variable x is x Probability distribution f(x) 20 0.20 25 0.15 30 0.25 35 0.40 Find the probability that

The probability distribution for a random variable x is

x Probability distribution f(x)

20 0.20

25 0.15

30 0.25

35 0.40

Find the probability that x f(x)30 and the mean E(x)

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