Question 1
A PhD thesis defense requires all 4 committee members to be present. Their availability (slots 1-8):
- Prof. C: Slots 3, 6, 5, 1
- Prof. D: Slots 3, 1, 5, 4
- Prof. B: Slots 3, 4
- Prof. E: Slots 1, 3
What is the earliest slot when all can attend?
Step-by-step solution:
1. Find intersection of availability:
Prof. C: [1, 3, 5, 6]
∩ Prof. D: [1, 3, 4, 5]
∩ Prof. B: [3, 4]
∩ Prof. E: [1, 3]
= [3]
2. Earliest common slot: Slot 3
Answer: Slot 3
1. Find intersection of availability:
Prof. C: [1, 3, 5, 6]
∩ Prof. D: [1, 3, 4, 5]
∩ Prof. B: [3, 4]
∩ Prof. E: [1, 3]
= [3]
2. Earliest common slot: Slot 3
Answer: Slot 3