Final answer:
A driver with a BAC of 0.15% is about 25 times more likely to cause a crash compared to a sober driver.
Step-by-step explanation:
The BAC stands for Blood Alcohol Concentration, which measures the amount of alcohol in a person's bloodstream. A BAC of 0.15% means that a person has 0.15 grams of alcohol per 100 milliliters of blood.
When a driver has a BAC of 0.15%, they are significantly impaired and more likely to cause a crash. According to research, a driver with a BAC of 0.15% is about 25 times more likely to cause a crash compared to a sober driver.