0 a result is equally likely to happen or not happen:
There’s only a fifty-fifty chance that she’ll survive the operation.
After all, if a weighing machine is faulty there is a fifty-fifty chance that it will be faulty in the customer's favour.
If they are 45 or over, they have a fifty-fifty chance of being out of work for at least a year.
There is a fifty-fifty chance that it may yet take mankind over the precipice.
When they are caught and fight the case in court by pleading not guilty, there is a fifty-fifty chance of acquittal.
I believe that with them he might believe that he had a fifty-fifty chance of being absolved.
A criminal who commits a robbery has a fifty-fifty chance of being discovered and convicted.
There is only a fifty-fifty chance of getting over the food problem.
I think that the company has a fifty-fifty chance of success.
