there are 4 teams w(angle),x(Yankees),y(red sock), and z(Jets)-fighting for the championship. The first round of 4 groups will be randomly partitioned into two gatherings by lottery. the principal group to dominate 2 matches in each gathering in the main stage will progress to the subsequent stage. second round the victors of the principal stage will contend and the primary group to dominate 3 matches will turn into the champion. the likelihood of dominating in each match is given in the accompanying table, which shows that, for instance, group W(angel) will win against the group X(Redsock) with a likelihood of 0.50, win against the group Y(Yankees) with a likelihood of 0.45, and win against Z(jets) with a likelihood of 0.40. additionally, accept that the aftereffect of any game is free of that of some other. the all-out income from this game. (merchandise, food, trinkets, tickets, and that's just the beginning). is comprised of 2 parts:$10,000 for each game in the principal stage and $15,000 for each game in the subsequent stage. figure the normal estimation of absolute income. w(angel) x(Redsock) y(yankees) z(Jets)

w - .50 .45 .40

x .30 - .42 .36

y .35 .38 - .48

z .40 .44 .32 -