Answer: There are 6045 millions world population during the period of 1950 to 2000.
Explanation:
Since we have given that
The world population in the second half of the 20 the century by the equation:

We need to find the average world population during the period of 1950 to 2000.
So, there are 50 years between 1950 to 2000.
So, t = 50 years.
Therefore, the average population would be

Hence, there are 6045 millions world population during the period of 1950 to 2000.