Respuesta :

There are 11 letters in the word "probability." The probability you choose any letter is how many times it appears in the word divided by 11:

p = 1/11
r = 1/11
o = 1/11
b=2/11
a = 1/11
i = 2/11
l = 1/11
t = 1/11
y = 1/11