Bernoulli trial sequence Graph of P, probability of not observing an event of probability 1/n after n independent trials, and 1 - P vs n by CMG Lee. n 0 10 20 30 40 50 1 -P 0.5 0.6 0.7 0.8 0.9 1 1 - 1/e P 0.5 0.4 0.3 0.2 0.1 0 1/e