Together, steve and tom sold 80 raffle tickets for their school. steve sold 14 more than twice as many raffle tickets as tom. how many raffle tickets did each boy sell?

Abag contains 5 yellow, 6 red, and 4 green marbles. two marbles are drawn. the first is replaced before the second is drawn. a random variable assigns the number of green marbles to each outcome. calculate the expected value of the random variable. a 0.76 c. 0.27 b. 1.07 d. 0.53