Multiple choice

Total number of outcomes when a ball is drawn from a bag which contain 3 red, 5 black and 4 blue balls is

  1. 8

  2. 7

  3. 9

  4. 12

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Each individual ball is a possible outcome, and the bag contains 3 + 5 + 4 = 12 balls. Therefore, the total number of outcomes is 12.

AI explanation

To find the total number of outcomes when drawing a single ball, you must add the number of each type of ball together. The bag contains 3 red, 5 black and 4 blue balls, giving the sum 3 plus 5 plus 4. The total number of outcomes is 12.