Practice problem
Probability of Dependent Events
In a certain test 5 out of 20 students scored an ‘A’. We chose 3 students at random out of the 20 students without replacement.
Find the probability that all three are the ones who scored an ‘A’.
Practice problem
In a certain test 5 out of 20 students scored an ‘A’. We chose 3 students at random out of the 20 students without replacement.
Find the probability that all three are the ones who scored an ‘A’.