Two balls are chosen randomly from an urn containing 8 white, 4 black, and 2 orange balls. suppose that we win $2 for each black ball selected and we lose $1 for each white ball selected. let x x denote our winnings. what are the possible values of x x, and what are the probabilities associated with each value?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?