A used car is to be purchased. There is a 50% chance that car will need $2000 worth of repairs, a 10% chance it will need $2500 worth of repairs, and a 40% chance that it will not need any repairs (at least immediately). What is the expected value of the repair costs? OA $1250 OB $1500 3:42 PM Oc $250 O 0, $240 OE $750