The tree diagram relates the weather forecast and school closings. Find the probability (as a percent) that the school is closed tomorrow if there is a

60
60% chance for heavy snow.

H - heavy snowfall L - light snowfall C - closed O - open

1 answer

```
0.6
/ \
/ \
/ \
H L
/ \ / \
C O C O

Probability of school closing = Probability of heavy snowfall and school closing = 0.6 * 0.5 = 0.3

So, there is a 30% chance that the school will be closed tomorrow.
```