(I to Construct a Binomial Distribution We Need to Know $\pi$

Multiple Choice

(i. To construct a binomial distribution we need to know the total number of trials and the probability of a success. (ii) If n = 900 and $\pi$ = 1/3, the variance of this binomial distribution is 200.
(iii) If $\pi$ = 1/5 and n = 100, the standard deviation of this binomial distribution is 20.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) is a correct statement but not (ii) or (iii) .
C) (i) and (ii) are correct statements but not (iii) .
D) (ii) and (iii) are correct statements but not (i) .
E) (i) , (ii) , and (iii) are all false statements.