Question

Cookie jar contains 6 vanilla cookies, 4 chocolate cookies, and 9 lemon cookies.

one cookie is randomly picked from the jar.
find p (a vanilla cookie) =

p (a chocolate or lemon cookie) =

p (not a lemon cookie) =

p (a vanilla or chocolate or lemon) =

p (a peanut butter cookie) =

Answer 1

p (a vanilla cookie) = 6/19

p (a chocolate or lemon cookie) = 13/19

p (not a lemon cookie) = 10/19

p (a vanilla or chocolate or lemon) = 10/19

p (a peanut butter cookie) = [There's no peanut in the info you gave, sorry]

If you can simplify the fractions, then simplify