dom sample of 12 tins of peas is taken from the output ents are weighed. The mean and standard deviation of we 1.8 gm respectively. Find 99% confidence limits for the r by the factory on the day in question. urther random sample of 12 tins is taken, and the mean or this sample are 302-1 gm and 1.6 gm respectively. Assur ts are the same on the two days, show that a 95% confid en mean weights on the two days includes zero. les on both days are from the same population. Find a weight of tins in that population, based on both samples.

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