FOUNDATION EXAMINATION: SEPTEMBER 2025Foundation
If a binomial distribution has n = 20 and p = 0.3 what is its variance?
A
(A) 4.2
B
(B) 5.6
C
(C) 3.4
D
(D) 2.9
If a binomial distribution has n = 20 and p = 0.3 what is its variance?
(A) 4.2
(B) 5.6
(C) 3.4
(D) 2.9