A product line operation is designed to fill cartons with laundry detergent to a mean weight of 32kg. A sample of cartons is periodically selected and weighed to determine whether under filling or overfilling is occurring. If the sample date lead to a conclusion of under filling or overfilling, the product in line will be shut down and adjusted to obtain proper filling.
a) Formulate the null and alternative hypotheses that will help in deciding whether to shut
down and adjust the production line (b) Comment on the conclusion and the decision when H0 cannot be rejected.
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