If r is a binomial random variable, compute P(x) for each of the following cases: (a) P(r < 2), n = 8,p = 0.9%3D (b) P(r > 4), n =

5, p= 0.4 (c) P(r < 1),n = 4, p = 0.3 (d) P(r 3),n = 9,p= 0.7%3D%3D