Answer to Question #292112 in Physics for amanda

Question

A particular brand of table salt is repacked by a retailer and sold in packs with net weights of 120g so long as the net weights of the packs do not deviate from 120g by more than 2g, the retailer is able to meet the market specifications and does not incur any loss. To check whether the packing process is still under control, he obtained a random sample of 10 packs. The mean net weight of the sample of the sample is 123g with a standard deviation of 5g. Should the retailer have any reason to fear that the process is out of controls? Use level of significance of 5%

Answer 1

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