Why do I need that Ln & Normal RNG shit?

?   0:40.9 : SCRIPT> RFHumpController.HandleTrainEnterHump
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 2.233660
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 1' to track 3, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 2' to track 3, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 2.702429
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 3' to track 5, CL: 3
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 4' to track 5, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 5' to track 5, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 4.011033
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 6' to track 7, CL: 4
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 7' to track 7, CL: 3
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 8' to track 7, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 9' to track 7, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 3.320605
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 10' to track 2, CL: 3
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 11' to track 2, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 12' to track 2, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 2.450465
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 13' to track 3, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 14' to track 3, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 0.432556
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 2.732412
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 15' to track 9, CL: 3
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 16' to track 9, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 17' to track 9, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 1.096025
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 18' to track 5, CL: 1
?   0:40.9 : SCRIPT> NormalRand> M: 2.000000 D:2.000000 => 5.217669
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 19' to track 7, CL: 5
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 20' to track 7, CL: 4
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 21' to track 7, CL: 3
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 22' to track 7, CL: 2
?   0:40.9 : SCRIPT> RFHump> Random Task: 'HOTT MAV Eams 1 23' to track 7, CL: 1