SOLUTION: A bag contains 8 white marbles, 4 black marbles, and 3 red marbles. You pick out a marble, record its color, and put the marble back in the bag. If you repeat this process

Algebra ->  Probability-and-statistics -> SOLUTION: A bag contains 8 white marbles, 4 black marbles, and 3 red marbles. You pick out a marble, record its color, and put the marble back in the bag. If you repeat this process       Log On


   

Question 1174759: A bag contains 8 white marbles, 4 black marbles, and 3 red
marbles. You pick out a marble, record its color, and put the marble back in the bag.


If you repeat this process 45 times, about how often do you expect to remove a black or red marble from the bag?
A.5/9
B.1/135
C.2/27
D.5/9
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

The question asks "how often", but the optional answers show the probability.

It is not a Math formulation, when you mix the terms from different areas and of different meaning.