A principal of $4300 is invested at 7.75% interest, compounded annually. How many years will it take to accumulate $9000
or more in the account? (Use the calculator provided if necessary.)
Write the smallest possible whole number answer.

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.