Question

What is the probability that a red or green marble will be selected from a bag containing 9 red marbles, 6 blue marbles, 7 green marbles, and 11 yellow marbles if one is selected randomly?

Answer 1

Answer: $\bold{\dfrac{16}{33} = 48\%}$

Step-by-step explanation:

  Red  or  Green

$=\dfrac{red}{total}+\dfrac{green}{total}$

$=\dfrac{9}{33}+\dfrac{7}{33}$

$=\dfrac{16}{33}$

≈ 48%