Try another version of this question Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
From a group of 9 people, you randomly select 4 of them.
What is the probability that they are the 4 oldest people in the group?
Give your answer as a fraction
Enter DNE for Does Not Exist, oo for Infinity 0.0079365079365079