A shelf holds 3 novels, 2 biographies, and 1 history book. Two students in turn choose a book at random. What is the probability that the students choose both biographies?

Respuesta :

2:6 since there are 6 books and 2 of them are biographies
i think its 2/4 which is 1/2 

i learned it 
hope this helps
plz give brainlest