SAT Probability and conditional probability Question

A snack company advertises that bags of pretzels produced by the company weigh, on average, 1 pound each. To test this, Sam selected at random 40 bags of pretzels produced by the company and weighed each bag. Based on his measurements, Sam estimated that for all bags of pretzels produced by the company, the average weight per bag is 1.05 pounds, with a margin of error of 0.06 pounds. For all bags of pretzels produced by the company, which of the following is the most appropriate conclusion about the average weight $w$, in pounds, per bag?