A quality control inspector wishes to estimate the mean weight of bags of cement leaving a production line on a particul
Posted: Thu Apr 28, 2022 7:30 am
A quality control inspector wishes to estimate the mean weight
of bags of cement leaving a production line on a particular day to
within 2 g at the 95% level of confidence. It is known that the
standard deviation of the weights remains fairly constant at 60 g.
How large a sample should the inspector take?
of bags of cement leaving a production line on a particular day to
within 2 g at the 95% level of confidence. It is known that the
standard deviation of the weights remains fairly constant at 60 g.
How large a sample should the inspector take?