Page 115 - Distribusi peluang binomial

x = 1 x = 3 1

f x = x + 2

C 20

L P(X < 3) = P(1 < X < 3)

3
1

D න X + 2 = L

20 AKLD

1

A K B
AK = 3 − 1 = 2

1 3 1 5

AD = f 1 = 20 1 + 2 = 20 KL = f 3 = 20 3 + 2 = 20