One could guestimate the following based on known factors.
You could do but you would be making the schoolboy error of assuming that variance of luck doesn't exist. Some people just get very lucky and are able to gamble up a very small deposit to a very large balance.
I was going to say the same thing. Overall, assuming that with wagering a certain amount you are definitely going to lose the house edge is a dangerous thing to do. Using the same logic you might think that within 100k tries you are definitely going to hit 0.01% target at least once(because it "should" happen once in 10k tries). But this is not necessarily the case. Some gamblers lose big money relying on such wrong calculations. The truth is that even a million rolls might not be enough for one person, while another one can hit it from the first try. With 42 million registered users you can be getting both cases quite often.