long=1average=0.5 short=0 Y∈(0,+1) If you are ... year old…

long=1average=0.5
short=0
Y∈(0,+1)

If you are ... year old ... and you think there is ...% likelihood that the average life expectancy at the year ... ... ..., then you have to think in (Y) term at ...% rate.

number
male, female
(0,100)
number
is, will be
number
(0,100)