Acan contains 18 marbles six red, four white, three blue, and five black, one marble is drawn without looking. what is the probability of selecting a red or black marble?

Math ! will give branliest at a car and truck dealership, the probability that a vehicle is white is 0.25 . the probability that it is a pick up truck is 0.15 . the or obability that it is a white pick up truck is 0.06 . what is the probability that the vehicle is white, given that the vehicle is a pickup truck . round your answer to two decimal places .