It is possible for random 10 to output 10. See code below,
[] spawn { private _attempt = 0; while {true} do { if (_attempt % 50000 == 0) then { systemChat str (_attempt toFixed 0); }; if (random 10 == 10) exitWith { systemChat str ["hit", _attempt toFixed 0]; }; _attempt = _attempt + 1; }; };
Depends how lucky you are :D
From wiki: Number from 0 (included) to x (excluded), yet it is possible.