Over the limit and you're asking for trouble
This article offers several possibilities for use in the classroom. The graph does a good job of telling the story (except for the typo-"change" should be "chance"). The conditional statements on increased risk can be written, e.g.
Pr (accident for a woman|6-9 drinks over 6 hours)
= 13 x Pr (accident for a woman|no drinks)
Students might also like to debate the cause-effect links that could be claimed from this article.
Where to next?
Student Questions for this article
Index - Related articles
Index - Chance and Basic Probability
Index - Inference
Main Index - Numeracy in the News