I would take that bet and not solely because you failed to exclude third world countries. I would probably hesitate on "in 2050, a 50 year old women has, on ave

I would take that bet and not solely because you failed to exclude third world countries. I would probably hesitate on "in 2050, a 50 year old women has, on average, another 50 years of life" and definitely pass on "in 2075, a 75 year old women has, on average, another 25 years of life."