Question: A continuous random variable X that can assume values between x = 2 and x = 5 has a density function given by f(x) =

A continuous random variable X that can assume values between x = 2 and x = 5 has a density function given by f(x) = 2(1 + x)/27. Find
(a) P(X < 4);
(b) P(3 < X < 4).

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