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Population standard deviation

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Reference no: EM133272609

At the start of the COVID-19 pandemic in March 2020, Americans stocked up on goods that they thought might experience shortages. The one product that everyone seemed to buy was toilet paper. A mathematician did a quick calculation and concluded that the average household would have more than 30 rolls of toilet paper on hand. To test the claim, a random sample of households was polled and asked to report their inventory.

Questions

1. Assuming the population standard deviation is 6, is there sufficient evidence at the 10% significance level to confirm the claim?

2 What assumption must you make to answer part 1 ?

Reference no: EM133272609

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