Suppose a country has a life expectancy of 51.5, an adult literarcy rate of 62.6%, a combined gross enrollement ratio of 45%, and GDP per capita PPP of $853.
Question 1. What is its Traditional Human Development Index (HDI)?
Question 2. Calculate how much its life expectancy would have to rise to achieve "medium human development" status (that is, a Traditional HDI of 0.500) other things equal.