The town of KnowWearSpatial, U.S.A. operates a rubbish waste disposal facility that is overloaded if its 4901 households discard waste with weights having a mean that exceeds 26.57 kg. For many households, it is found that the mean weight of discarded waste is 27.12 kg. What can be inferred?
a) The facility is not overloaded
b) The facility is overloaded
c) Insufficient information to make a conclusion
d) The facility needs further investigation