Question

Question #1db35

Answer 1

We expect that 10 bars in the sample of 120 would have a prize.

Explanation:

This is a ratio problem. We know that 2 out of every 24 bars have a prize. To finish this problem, we must "scale up" the number of bars to 120.

To do this, divide the new value (120) by the one given in the original ratio (24). You get 5 as a result.

This 5 is the scale factor. Now, all you need to do is multiply the number of prize bars (2) by the same scale factor.

`2xx5=10`

So, there would be 10 prizes expected in a sample of 120 bars.

Note that this method works the same way if the scale factor happens to not be a whole number!