Answer:
The population is the total number of the universities graduates i.e

Explanation:
From the question we are told that
The number of students that are consider is n = 10,000
The total number of graduates is

The mean is

Here the population is The total number of graduates with value
, this is because a population is the pool from with a sample is drawn and in this case the pool is
while the sample with is drawn is n = 10,000