

I think in the statement I was responding to, you could infer the chance being a percentage change, in which case my suggestion/correction would be valid. 1 could be valid if you covert percentage to decimal notation, but that just seems weird and unnatural.
This is exactly what I thought of Russia after their failed invasion of Ukraine. Generally regarded as a super power prior, they put on display how atrophied their millitary had become by not being able to steam roll Ukraine.