Suppose X is a binomial random variable such
that n = 15 and p =
0.33 , then,
the mean, μ, and standard deviation o respectively are μ = μ = = 1.155, o = 1.291 7.014, o = 3.211 Ο μ = 1.333, σ 4.620, o = = 1.760 = 1.672