fifty-fifty chance

An equal chance of one of two results occurring. Refers to a 50% probability. When I flip this coin, there is a fifty-fifty chance that it will land on heads.

Common Names:

Name	Pronounced	Usage
Augustin	o-goos-TEN (French)	French, Czech, Romanian, Croatian, German
D'artagnan	-	Literature
Chet	CHET	English
Gillian	JIL-ee-ən, GIL-ee-ən	English
Shirley	SHUR-lee	English
Corie	KAWR-ee	English