A bag of cookies contained 9 chocolate chip cookies, 10 sandwich cookies, and 3 peanut butter cookies. If you
reach into the bag without looking, what is the probability that you will NOT pull out a peanut butter cookie?
Write your answer as a fraction in simplest form.

Respuesta :

Answer:

19/22

Step-by-step explanation:

cc = 9

sand = 10

pb = 3

total = 22

P(not pb) = 19/22