Suppose the cumulative distribution function of the random variable X is 0, x < 0.8 F(x) - f025x = 0.25x +0.2, – 0.8 ≤ x ≤ 3.2 1, 3.2 ≤ x Round your answers to 3 decimal places. Determine the following: a) P(X < 1.8) = b) P(X > - 1.5) c) P(X < − 2) = d) P(− 1 < X < 1) =
