The historical average return for Puella Stock is 8.3%. The historical standard deviation is 17.2%. Based on those numbers answer the following Puella Stock:

a. About one in six years, your return should fall inside the range of ____% to ____%

b. About one in twenty years, your return should fall outside the range of ____% to ____%

c. About one in two hundred years, your return should be greater than ____%