The Probabilities of the Four Lines: Coins

In each coin toss there is one chance in two or probability of 1/2 of obtaining a head or a tail. As three coin tosses determine a line, it is easy to compute the probabilities of the four lines:
6 -x- old yin 1/8
7 --- young yang 3/8
8 - - young yin 3/8
9 -o- old yang 1/8

After casting a hyperhexagram with six tosses of three coins, a yang line in the first hexagram results from either a young yang or an old yang hyperline. Thus the probability of a yang line is the sum of the probabilities of old yang (1/8) and young yang (3/8) or 4/8, 50%. The chances of a yin line are likewise 50%. This is an equal opportunity system.

The chances that a hyperline will be changing, old yang or old yin, is (1/4 + 1/4) or 25%.


Revised 27 Sept 1999 by Ralph