in problems 29-34, (a) construct a binomial probability distribution with the given parameters; (b) compute the mean and standard deviation of the random variable using the methods of section 6.1; (c) compute the mean and standard deviation; using the methods of this section; and (d) draw a graph of the probability distribution and comment on its shape nw 29. n=6,p =0.3 30.n =8,p= 0.5 31. n = 9,p = 0.75 32. n = 10,p =0.2 33. n = 10,p =0.5 34. n = 9,p = 0.8