Lie needs 15 pieces of string 1/2 of an inch long. she cut a 6 inch piece of string into pieces that are each 1/2 of an inch long. how many more pieces of string does she need?

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.