Question

A jar contains 5 blue marbles, 8 red marbles, 4 white marbles, and 3 purple marbles. Suppose you pick a marble at random without looking.
P(purple) =
p(white)=
p(not blue)=

Answer 1

P(purple)=3/20
P(white)=4/20=1/5
P(not blue)=15/20=3/4