Of course men!
Despite of the fact that I saw many women that were winning pretty good jackpots easily, I would say that men have more luck because they are playing much more and their aura is everywhere in the casino. Personally, I don't think that it is about chances, gambling is gambling, everything depends on luck even if someone doesn't believe in it. The best way to find out is to make some statistics on different platforms like slot online and to calculate the proportion of men and their winnings and the same with women, then we will clearly see.
I mean it really depends. I spent a lot of time in Vegas as a security team member and I've seen both genders doing quite horribly bad. Even if it was For some of them to be successful some nights, I would say it was just complete lock rather than a specific attributes related to whether they are women or men. The main thing with three casinos is that psychology is always there as opposed to online casinos where you might find some glitches and profit out of the system as shown here https://hfive555.com/en/can-you-cheat-online-casinos. No one said you will be a millionaire in a day, but for sure you can make a bit of profit if you follow their lead.