Question: The monthly income of residents of Daisy City is normally distributed with a mean of $3000 and a standard deviation of $500.

a. The mayor of Daisy City makes $2,250 a month. What percentage of Daisy City’s residents has incomes that are more than the mayor's?

b. Individuals with incomes of less than $1,985 per month are exempt from city taxes. What percentage of residents is exempt from city taxes?

c. What are the minimum and the maximum incomes of t residents?

d. Two hundred residents have incomes of at least $4,440 per month. What is the population of Daisy City?