Question: 4. The probability distribution for the random variable x follows. fu) 20 20 25 .15 30 25 35 40 (30 points) a. What is the

4. The probability distribution for the random variable x follows. fu) 20 20 25 .15 30 25 35 40 (30 points) a. What is the probability that x=30? b. What is the probability that x is less than or equal to 25? c. What is the probability that x is greater than 30

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