95.0k views
0 votes
there are 7 yellow marbles, 8 red marbles, and 13 blue marbles in a bag. if you reach into the bag and pull out one marble, what is the probability that you will either get a yellow or blue marble?

User Tim Hovius
by
7.8k points

1 Answer

4 votes

Answer:

  • 5/7 or 71.4%

----------------

Total marbles:

  • 7 + 8 + 13 = 28

Number of either yellow or blue:

  • 7 + 13 = 20

Probability of yellow or blue:

  • P = number of yellow or blue / total number
  • P = 20/28 = 5/7 or 71.4%
User Qelli
by
8.7k points

No related questions found