At Joyful Candy Company, store managers are paid on a step system, based on experience. Each employee begins at $35,000 per year and earns an additional $1,000 per raise until they hit $50,000. Raises are granted so that salaries are uniformly distributed; that is, there is an equal number of people at each salary.

26)What is the mean salary?

27) If there are currently 192 store managers, how many store managers earn between $42,000 and $45,000 inclusive?

28)(What is the probability that a randomly selected store manager earns less than or equal to $40,000?

29)What is the standard deviation of the salary?

30)What is the coefficient of variation of the salary?