Hi Binomial Distribution: p(cheese) = ".35" and q = .65 Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus a) n = "3" P(x = 3) = binompdf(3, .35, 3) = .0429 b) n = "4" P(x = 3) = binompdf(4,.35,3) = .1115 0ra) = (.35)^3 = .0429 b) = 4(.35)^3(.65)^1 = .1115 Wish You the Best in your Studies.