An urn contains three red balls numbered 1, 2, 3, four white balls numbered 4, 5, 6, 7, and three black balls numbered 8, 9, 10. A ball is drawn from the urn. What is the probability that
(a) It is red?
(b) It is odd-numbered?
(c) It is red and odd-numbered?
(d) It is red or odd-numbered?
(e) It is not black?