Exercise 1: (2 points) The number of students in the MPH program by county is given below. If a student is selected at random from this dataset, find the probability that: MPH program Number of County students Percentage Escambia 106 21.2 Walton 151 30.2 Santa Rosa 150 30 Okaloosa 93 18.6 Total 500 100 a. The student is from Escambia county b. The student is from Santa Rosa county c. The student is from either Escambia or Santa Rosa county d. The student is not from Santa Rosa county (Show your work)