What is the probability of getting 1 million coins from a mega mystery box in Subway Surfers?
The chances of you getting a mega mystery box in Subway Surfers is about 1 thousandth of a percent (or .001%). However if you manage to earn 5 mystery boxes in a run the chance of getting a MMB is .01%.
Getting cash from the box is one out of ten. This means a cash MMB is .0001% and getting it out of a five box run is .001%.