Question

Michelle has a bag filled with marbles.

In which situations would the probability of drawing a blue marble from a bag for Michelle be 1/3?

Answer 1

Answer:

Probability:

A bag with 30 blue, 15 green, and 45 orange marbles

A bag with 50 red, 30 blue, 10 black, and 10 purple marbles

A bag with 11 green, 13 red, and 12 blue marbles

No probability:

A bag with 3 blue marbles

A bag with 1 blue and 3 yellow marbles

Explanation:

1. Count the total amount of marbles
2. Find the ratio of blue marbles to the amount of marbles
3. Simplify