Final answer:
Janis's symptoms suggest that she is experiencing the effects of alcohol intoxication. Her BAC is most likely to be around 0.2.
Step-by-step explanation:
Janis's symptoms suggest that she is experiencing the effects of alcohol intoxication. Her feeling of sleepiness and difficulty hearing are common signs of alcohol impairment. Based on this information, her blood alcohol concentration (BAC) is most likely to be around 0.2.