Based on information in the U.S. Statistical Abstract, this table shows populations of the various continents in the year 2000, and the projected proportion of world population for each continent in 2050.
![1936_information in the U.S. Statistical Abstract.png](https://secure.tutorsglobe.com/CMSImages/1936_information in the U.S. Statistical Abstract.png)
a. The probability of being from one continent in particular is projected to increase substantially by 2050; which is it?
b. The probability of being from one continent in particular is projected to decrease substantially by 2050; which is it?