
 Calculate lotto odds, probability: Formulae, free software 
  Therefore, the probability of hitting '5 of 6' is calculated by dividing total possible combinations C(49,6) by total chances of '5 of 6' (258); 13,983,816 / 258 = 54,200.8 to 1 or '1 in 54,200.8'. 
  Therefore, the probability of hitting '4 of 6' is calculated by dividing total possible combinations C(49,6) by total chances of '4 of 6' (13,545); 13,983,816 / 13,545 = 1,032.4 to 1 or '1 in 1,032.4'. 
  Therefore, total number of '3 low, 3 high' combinations is: 2024 x 2300 = 4,655,200. 
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