"51% failure rate" doesn't mean "100% accurate 49% of the time, and 50% accurate 51% of the time", it means "right 49% of the time, wrong 51% of the time" - a c

"51% failure rate" doesn't mean "100% accurate 49% of the time, and 50% accurate 51% of the time", it means "right 49% of the time, wrong 51% of the time" - a coin toss.