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The probability distribution for the random variable x follows. f(a) 0.24 0.17 0.27 0.32 a. Is this a valid probability distribution? Explain. 20 26 30

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The probability distribution for the random variable x follows. f(a) 0.24 0.17 0.27 0.32 a. Is this a valid probability distribution? Explain. 20 26 30 37 Select your answer - b. What is the probability that a 30 (to 2 decimals)? c. What is the probability that is less than or equal to 26 (to 2 decimals)? d. What is the probability that z is greater than 30 (to 2 decimals)

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