A company sells live types of wheelchairs, with type A being 12% of the sales, type B being 34 % of the sales, type C being 7% of the sales, type D being 25% of the sales, and type E being 22% of the sales. In addition, 19% of the type A wheelchair sales are motorized, 50% of the type B wheelchair sales are motorized, 4% of the type C wheelchair sales are motorized, 32% of the type D wheelchair sales are motorized, and 76% of the type E wheelchair sales are motorized.
(a) If a motorized wheelchair is sold, what is the probability that it is of type C?
(b) If a non-motorized wheelchair is sold, what is the probability that it is of type D?