Problema Solution
in a clas of 7, there are five student who are secretly robots. if the teacher chooses 2 students what is the probability that neither of them are robots
Answer provided by our tutors
Probability of choosing 1 non-robot student:
(2/7)
Probability of choosing 2 non-robot students:
(2/7)(2/7)=4/49=0.0816
There is a 4/49 chance.