# Question: in a particular hepatology clinic about 30 of patients have...

###### Question details

In a particular hepatology clinic, about 30% of patients have been diagnosed with liver disease. Of the patients that have been diagnosed with liver disease, 80% of them consume alcohol excessively, while 10% of the patients that have not been diagnosed with liver disease drink excessively. For a patient selected at random

a) what is the probability that he/she drinks excessively?

b) what is the probability that he/she has liver disease, given he/she drinks excessively?