Acertain store sells small, medium and large toy trucks in each of the colors red blue green and yellow. the store has an equal number of trucks of each possible color-size combination. if paul wants a medium red truck and his mother will randomly select one of the trucks in the store, what is the probability that the truck she selects will have at least one of the two features paul wants? a.1/4 b.1/3 c.1/2 d.7/12 e.2/3