At the Pan Pacific restaurant, fortune cookies contain a slip of paper indicating a dollar amount that will be subtracted from your restaurant bill. You are to randomly select one out of ten fortune cookies. Of the ten cookies, seven contain “$1 off,” two contain “$2 off,” and one contains “$5 off.” If your restaurant bill was $45, determine

a) The expected dollar amount to be deducted from your bill.

b) The expected dollar amount you will pay for your meal.