Equiprobable
ahd-5
adjective.
Having equal mathematical or logical probability.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Having
equal
probability
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
equally probable
Word Usage
"If all states of the world are equiprobable, this is a partial pooling equilibrium."
Equivalent
likely
probable