I myself was thinking that time might matter, when I won little sum after getting ticket at 8:30 PM. If lottery company adjusts the results, then those tickets that got in after work day is over, can have chance of not being selected out, because no one is at the office! That could be one reason. Another reason could be that they favor customers that will potentially buy more tickets, so those are mostly people who works, and they buy tickets after work day is over. In both cases I believe they have method of concocting their own combination. Why do I think this: because by random chance there could be on occasion 200 or 300 or more people at once guessing winning combination. This never happens, and this never happens because the divided sum becomes so small, it is discouraging and other people then do not buy as many tickets. It is one person winning huge amount of money what is attractive and enticing, and then even the poorest invest their dollar, without realizing that profits are made off of people who spends $1, because they practically never win (percentage vise). Because of it, I say, never play $1, spend $10 at once or play with the group.