Best Case Scenario:
Jazz beat the Wolves
Result: Celtics and Jazz tie for 4th worst record in the league. Both receive 33% chance of top 3 and 10% chance of top pick
2nd Best Case Scenario:
Celtics beat the Wizards
or
Celtics lose against Wizards
Lakers lose against Spurs
Result: Celtics receive the 5th worst record in the league and have 29% chance of top 3 and 8.8% chance of top pick
Worst Case Scenario:
Celtics beat the Wizards
Lakers lose against Spurs
Result: Celtics and Lakers tie for the 5th worst record in the league. Both receive 25.3% chance of top 3 and 7.6% chance of top pick