Answer:
1 / 8568
Step-by-step explanation:
The number of combinations is:
₁₈C₅ = (18! / (5! (18−5)!)
₁₈C₅ = 8568
There are 8568 possible groups of 5 that can be selected from 18. Only 1 of those groups contains the five youngest students. So the probability is:
P = 1 / 8568 ≈ 0.0117%
