Flipping a coin 10 times. The currency brings crown with probability 0.57. If you bring a total of k heads they add 2 ^ k euros. What is the average profit in this game? i must find the expectanion value and i do this: ∑from k=1 to 10 --->((0.57)^k)*(2^k) =22.0445164 i think that my solve is not correct any ideas?