A local restaurant feature a wheel we can spin before paying the bill. The wheel is split into 8 equal sixe pieces. One of the section gives us a $10 discount on the bill, two section give a $5...

A local restaurant feature a wheel we can spin before paying the bill. The wheel is split into 8 equal sixe pieces. One of the section gives us a $10 discount on the bill, two section give a $5 discount, three sections give a $2 discounts, and the rest of the section give no discount. Find the expected value for the discount given by the wheel.