Question 928119
Previously Posted
p(left-handed) = .08,  n = 20
Using a TI calculator 0r similarly a Casio fx-115 ES plus
P(x = 0LH) = binompdf(20, .08, 0)= .1887  0r  = .92^20
P(x ≤ 2LH) = binomcdf(20, .08, 2)= .7879
mean = 1.6  s = sqrt(1.6*.92) = 1.2133