A bag contains 10 blue, 6 red, and 3 yellow marbles. What is the probability of randomly selecting one marble and not getting a red marble?
a. 16/19
b. 6/19
c. 13/19
d. 0/19
2 answers
p(red) = 6/19, 19/19 - 6/19 = ?
P = (10+3)/(10+3+6) = 13/19.