Suppose you pay $1.80 to roll a fair 10-sided die with the understanding that you will get $4.30 back for
rolling a 1, 2, 3, or 4. Otherwise, you get no money back. What is your expected value of gain or loss?
Round your answer to the nearest cent (i.e. 2 places after the decimal point), if necessary. Do NOT type
a "$" in the answer box.
Expected value of gain or loss: $