SAT Probability and conditional probability Question

A machine fills bags with approximately 11 ounces of walnuts. To test the accuracy of the filling process, 330 bags of walnuts were selected at random and weighed. Based on the sample, it is estimated that the average weight of all bags of walnuts filled by the machine in an 8-hour period is 11.17 ounces, with an associated margin of error of 0.2 ounce. Which of the following is the best interpretation of this estimate?