Answer:
About 7% is the anwser i tried 4% and i got it wrong and it said 7 was correct
P(sum = 6) = 5/36 ; P(sum = 12) = 1/36
expected payoff = (5/36)(5) + (1/36)(9) = $0.94
You need to find x so that then you can do it and you didn’t share a answer so how are we supposed to know??
The gas would have cost $19.50. Hope this helps :)