Probability of no collision in a single millisecond: p_1 = 999999999/1000000000 Milliseconds in a year: t = 1000 * 60 * 60 * 24 * 365 Probability of no collis

Probability of no collision in a single millisecond: p_1 = 999999999/1000000000 Milliseconds in a year: t = 1000 * 60 * 60 * 24 * 365 Probability of no collision happening for every millisecond of a year: p_2 = p_1^t Probability of a collision happening for at least one millisecond of a year: p_3 = 1 - p_2 https://www.wolframalpha.com/input/?i=1+-+%28999999999%2F1000000000%29%5E%281000+*+60+*+60+*+24+*+365%29 https://www.wolframalpha.com/input/?i=1+-+%28999999999%2F100...