3 beads come out of a box with 4 white beads, 5 red beads and 3 black beads. Suppose you receive $ 2 for each white bead and $ 3 for each black bead. If we define the random variable X as the amount...

3 beads come out of a box with 4 white beads, 5 red beads and 3 black beads. Suppose you receive $ 2 for each white bead and $ 3 for each black bead. If we define the random variable X as the amount of your income in this game, then calculate the range X, P (x >1), E (X)