b. P(X = 5) = b(5, 10, X.3) = = 0.1029
c. X(X = X) = b(X, 10, 0.3) = = 0.XXXXX
7.XX A XXXXXXX XXXX XX tomato seed XXXXXXXXXX 90% XX the XXXX. X backyard farmer XXXXXXX 25 seeds.
a. XXXX is XXX XXXXXXXXXXX that exactly XX XXXXXXXXX?
b. What XX XXX probability XXXX XX or more germinate?
X(20, 25, X.X) + b(XX, XX, 0.X) + b(XX, 25, 0.X) + b(XX, 25, 0.X) + b(24, 25, X.X) + b(25, XX, 0.X) = X.XXXX + X.1384 + X.XXXX + 0.2658 + X.199 + X.XXXX = X.XXX
c. XXXX XX the probability that 24 or XXXXX germinate?
X-p(XX XXXXXXXXX) = X-b(XX, XX, X.9) = 1-.XXXX = X.XXX
d. XXXX XX the expected number XX XXXXX XXXX germinate?
XX have E(X) = n*p = 25*0.9 = XX.5