A coin where the probability of throwing a head or a tail is the same, 0.5.
Also used in hcistats2e: Chap. 1: page 5; Chap. 3: page 33; Chap. 4: page 50; Chap. 6: pages 66, 68; Chap. 7: page 75; Chap. 8: page 97
Also used in hcistats2e: Chap. 1: page 5; Chap. 3: page 33; Chap. 4: page 50; Chap. 6: pages 66, 68; Chap. 7: page 75; Chap. 8: page 97