Question

Eleven closed boxes are put in random order in front of you. One
of these boxes contains a devil’s penny and the other ten boxes
contain given dollar amounts a1, . . .a10. You may mark as many boxes

as you wish. The marked boxes are opened. You win the money from
these boxes if the box with the devil’s penny is not among the opened
boxes; otherwise, you win nothing. How many boxes should you mark
to maximize your expected return?

Answer 1

I'm pretty sure❤️

I think so 1or 2 is the ans. ❤️

❤️thank you ❤️