Question: The Probability distribution for the random variable x follows. X ____________ f(x) 200.20 250.15 300.25 350.40 a. Is this probability distribution valid? Explain? b. What

The Probability distribution for the random variable x follows.

X ____________ f(x)

20………………0.20

25………………0.15

30………………0.25

35………………0.40

a. Is this probability distribution valid? Explain?

b. What is the probability that x = 30?

c. What is the probability that x is less than or equal to 25?

d. What is the probability that x is greater than 30?

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