A bag contains 5 white, 7 red and 8 black balls. Four balls are drawn one by one with replacement, what is the probability that at least one is white?

Explanation

To solve the problem, we need to calculate the probability of drawing at least one white ball when drawing four balls one by one with replacement from a bag containing 5 white, 7 red, and 8 black balls.

### Step-by-Step Solution:

1. **Determine the Total Number of Balls:**
- Total white balls = 5
- Total red balls = 7
- Total black balls = 8
...