If x is a binomial random variable, compute p(x) for each of the following cases:
a. n = 5, x = 1, p = .2
b. n = 4, x = 2, q = .4
c. n = 3, x = 0, p = .7
d. n = 5, x = 3, p = .1
e. n = 4, x = 2, q = .6
f. n = 3, x = 1, p = .9