point(s) possible A bag contains 9 black chips and 3 white chips. Dexter and Thanh play the following game. Dexter randomly selects one chip from the be, If the chip is I ck, Dexter gives Thanh $7. If the chip is white, Thanh gives Dexter $11. ore a) Determine Dexter's expectation. b) Determine Thanh's expectation. ore ore a) Dexter's expectation is dollars (Round to the nearest cent as needed. ) b) Thanh's expectation is dollars. (Round to the nearest cent as needed.)