50/50

50-50 English Alternative forms en 50 50 50-50 50.50 Noun en fifty-fifty. en March 8 2011 Kathleen A. Hansen; et al https://books.google.com/books?id=lTfGUl3LdoUC&pg=PA27 Persistency of Priors-Induced Biased in Decision Behavior and the fMRI Signal Frontiers in Neuroscience No. 5, Art. 29, p. 27 In some cases, the 50/50 condition, in which each alternative has a 50% chance of being the correct choice, is also tested. Adjective - en fifty-fifty. en reduplicated coordinated pairs en Fifty