Question

A bag contains 6 red, 5 black and 4 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is red.

Answer 1

Given: A bag contains 6 red, 5 black and 4 white balls; one ball is drawn at random.

Step-wise calculation:

1. Total number of balls

= 6 + 5 + 4

= 15

2. Number of favorable outcomes (red balls) = 6.

3. Probability = `"Number of favorable outcomes"/"Total number of outcomes"`

= `6/15`

4. Simplify the fraction:

`6/15 = 2/5`

= 0.4

The probability that the ball drawn is red is `2/5` or 0.4.