Find the probability.
-A bag contains 7 red marbles, 2 blue marbles, and 9 green marbles. What is the probability of Choosing a blue marble?
A) $\frac { 1 } { 2 }$
B) $\frac { 2 } { 9 }$
C) $\frac { 1 } { 9 }$
D) $\frac { 7 } { 18 }$

Question

Find the probability.
-A bag contains 7 red marbles, 2 blue marbles, and 9 green marbles. What is the probability of Choosing a blue marble? 
A) $\frac { 1 } { 2 }$
B) $\frac { 2 } { 9 }$
C) $\frac { 1 } { 9 }$
D) $\frac { 7 } { 18 }$

Quizplus · Accepted Answer

The probability of choosing a blue marble is the number of blue marbles divided by the total number of marbles. There are 2 blue marbles and a total of 7 + 2 + 9 = 18 marbles, so the probability of choosing a blue marble is 2/18 = 1/9.

Find the Probability 12\frac { 1 } { 2 }21​ B) 29\frac { 2 } { 9 }92​

Find the Probability $\frac { 1 } { 2 }$ B) $\frac { 2 } { 9 }$