A poll used a survey of 1008 people to learn about how people feel about economy. Responses were as
follows:

595 people Economy is growing
332 people Economy is staying about the same
81 people Economy is shrinking

(a) Construct a distribution to represent the population such that the survey result above may be seen as a sample from the population.
(b) Find the MLE for the parameters in the population.
(c) Derive the explicit formulas for the MSE of the estimators.