How to count chances?Taking r8 wrists as an example:Chance of getting -int on wrists is the same for all classes, roughly 8.16% (0,0816*100%) per stat.For 3 parts it's simple, just multiply all the values 3x. chance * chance * chance * 100%3x -interval is 0,0816*0,0816* 0,0816 * 100% = 0.0768%For 2x and 1x you're better off using the calculator and putting the formula there:3!/(2!*(3-2)!) * chance * chance * (1-chance) * 100%3!/(1!*(3-1)!) * chance * (1-chance) * (1-chance) * 100%2x -interval is 3!/(2!*(3-2)!)*0.0916*0,0916*0.9084*100% = 2.28% 1x -interval is 3!/(1!*(3-1)!)*0.0916*0.9084*0.9084*100% = 22.6% To sum up:3x -interval is 1 in 1300 tries in average (100%/0.0768%)2x -interval is 1 in 44 tries in average1x -interval is 1 in 5 tries in averageFor archer / sin chest:Chances for getting -int on wrists are same for sin and archer, roughly 1.47% per stat, which gives:3x -interval is 0,0147*0,0147* 0,0147 * 100% = 0,00032%2x -interval is 3!/(2!*(3-2)!)*0,0147*0,0147*0.9853 * 100% = 0,064% 1x -interval is 3!/(1!*(3-1)!)*0,0147*0.9853*0.9853 * 100% = 4,28% To sum up:3x -interval is 1 in 315 000 tries in average2x -interval is 1 in 1565 tries in average1x -interval is 1 in 23 tries in averageFor archer boots:3x -interval is 0,0015*0,0015*0,015 * 100% = 3.375E-6%2x -interval is 3!/(2!*(3-2)!)*0,0015*0,0015*0,9985 * 100% = 0.00067% 1x -interval is 3!/(1!*(3-1)!)*0,0015*0,9985* 0,9985 * 100% = 0,45% To sum up:3x -interval is 1 in 30 000 000 tries in average2x -interval is 1 in 148 000 tries in average1x -interval is 1 in 223 tries in average
Remembered Aga said this in a previous post.