[WhiteWolf]

The chance than no person from Table 1 makes the money is:

20/30 * 19/29 * 18/28 * 17/27 * 16/26 * 15/25 = 0.065

The chance that at least one player from table 1 makes the money is 1.0 minus the above figure:

1.0 - 0.065 = .935, or 93.5%