Answer:
Population proportion: 0.04
Sampling distribution mean: 0.04n
Sampling distibution standard deviation: 0.196√n
Explanation:
The population proportion can be calculated dividing the total number of fans for this team by the total population of fnas in social media:

If we take samples of size n, the mean (or expected value) can be calculated as:

The standard deviation for the sampling distribution becomes:
