goodlove1251 goodlove1251 06-07-2024 Mathematics Answered x is a discreate random variable:(a) Verify that the following function is a cumulative distribution function: {[0, x < - 20],(x) = [0.2, - 20 ≤ x < 10], [0.5, 10 ≤ x < 40] [1, 40 ≤ x]}