Roll and 2x 4- sided dice, sum up the result and roll and .. f (a, b, c , d) = [ 32 (a − 1) + 8 (b − 1) + 2 ( c − 1) + (d − 1) ] mod 8 +.
This form allows you to roll virtual dice. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number.
Probability: 8 - sided die: I have an octahedron. Probability and the 'Ways Method': Suppose we roll one six- sided die. you toss a coin and roll a die, what is the probability of obtaining: a) heads and a five b) heads or a five c) tails or a two?.