An experiment consists of rolling a special 22-sided die. All of the numbers, 1 through 22, are equally likely. Find the probability of each event.
a. A = rolling a number greater than 10 and even.
b. B = rolling a prime number or a number divisible by 5.
c. C = rolling at most an 11.
d. D = rolling a number divisible by 2 and 3.