Need help with this economics question please! Thank you!

Problem 2. Carol's risk preference is represented by the following expected utility formula: U[1r,c1;11r,cg) =7r+{l7r)./cQ. 1. (15 points) Suppose Carol is indierent between the following two options: the rst option A returns $64 with probability Tr\" and $0 with probability 1 11"\