P(white) = (#whites)/(#marbles)
so, how many marbles are white?
how many total marbles are there?
A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of drawing a white marble.
A. 3/7
B. 7/16
C. 3/16
D. 13/16
Please help please and thank you
1 answer