Question

A football team plays 75% of their games on a field made of natural grass and 25% of their games on artificial turf. Last season, they won 60% of the games they played on grass fields and 55% of the games they played on artificial turf. One of last season's games is selected randomly. If it was a win, what is the probability that it was played on artificial turf? Include a tree diagram as part of your answer. O

Answer 1

solution: . N: Natural grass A: Artificial tesof. W: wim PINJ = 0.75 P(A)=0.25 Plw 0.60 P ()=0.5 0.60 a ) N 0.75 0.40 we 0.25 0.55 w A 0.45 we b) Plo). - Planw) 0.25 yo.55 Piw) 0.25 +0.5st 0.75X0.60 こ 13 0.234 (3-decimal) place