Question: Which of the following could be probability density functions for a continuous random variable? Explain. a. f (x) = .50 for 0 x

Which of the following could be probability density functions for a continuous random variable? Explain.
a. f (x) = .50 for 0 ≤ x ≤ 2
b. f (x) = 2 – x for 0 ≤ x ≤ 2
c. f (x) = .5x for 0 ≤ x ≤ 2

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