The thickness of wood paneling (in cm) that a customer orders is a random variable with the following cumulative distribution function: So.2 0.2 x < 1/8 1/8 x < 1/4 F(x)= 0.8 1/4 x < 3/8 1 3/8 x Determine the following probabilities: a) P(X 1/10) b) P(X 1/4) c) P(P(1/4 1/8) e) P(X 4 and X > 1/8)