A highway rest area contains a vending machine that dispenses cups of coffee. The amount of coffee that the machine provides when a purchase is made approximately follows a uniform distribution between 200 and 250 ml.
(a) The probability that a randomly selected cup will contain more than 216 ml is .
(b) The probability that a randomly selected cup will contain between 209 and 237 ml is .
(c) 12 percent of cups will contain more than ml.