binomial

Finally, instead of returning to Chile’s traditional proportional representation system, the law adopted the “binomial” system, which gave strong incentives to the parties to form broad coalitions.

Assuming a normal approximation to binomial probabilities the proportion of total complications reported for 1979–85 in the age class 0–14 years was significantly higher than the proportion in the same age class for the period 1962–69 (p < 0·0001)