Find the probability.
-A bag contains 5 blue marbles, 5 green marbles, and 5 red marbles. One marble is drawn from the bag. What is the probability that the marble drawn is not blue?
A) 2
B) $\frac { 1 } { 3 }$
C) $\frac { 1 } { 2 }$
D) $\frac { 2 } { 3 }$

Question

Find the probability.
-A bag contains 5 blue marbles, 5 green marbles, and 5 red marbles. One marble is drawn from the bag. What is the probability that the marble drawn is not blue? 
A) 2
B) $\frac { 1 } { 3 }$
C) $\frac { 1 } { 2 }$
D) $\frac { 2 } { 3 }$

Quizplus · Accepted Answer

The total number of marbles is 15 (5 blue + 5 green + 5 red). The probability of not drawing a blue marble is the sum of the probabilities of drawing a green or red marble, which is $\frac{10}{15} = \frac{2}{3}$.

Find the Probability 13\frac { 1 } { 3 }31​ C) 12\frac { 1 } { 2 }21​

Find the Probability $\frac { 1 } { 3 }$ C) $\frac { 1 } { 2 }$