Question

Suppose you pay $1.00 to roll a fair die with the understanding that you will get back $

3.00 for rolling a 1 or a 3, nothing otherwise. What is your expected net winnings?
for
lingun?

Answer 1

21.7% to win $3, thats ~1/5

Explanation:

100/6 = 10.(6) % to roll for each number (let it be just ~10.7)

for rolling a 3 or a 1 u will get $3

10.7 + 10.7 = 21.7% to win $3, thats 1/5