Regarding the NBA draft, why is it said that the worse the team's record is, the greater the chance of winning the champion? What are the details?

The host will take out 1- 14 ping-pong balls, put them in a container, and randomly select 4 balls from 14 balls, regardless of the numerical order. A * * can produce 100 1 possible combinations. Remove this 65438. Before the draw, the teams that didn't qualify for the playoffs had been ranked in reverse order according to the regular season record, and the corresponding combination number (probability) of winning the first prize was obtained. For example, in the 2004-05 season, 14 team did not enter the playoffs. In this 14 team, the eagle with the worst record got 250 combinations, that is, there was a 25% chance to win the first place, and the Hornets with the second worst record got 199, that is, 19.9% chance. After the draw for No.1 draft, four table tennis balls were put back into the container, and the ownership of No.2 and No.3 draft picks was decided again. After that, the remaining No.4-30 draft picks in the first and second rounds were decided in reverse order according to the results of the regular season.