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What will be the appropriate test to see

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1. A company is interested in the use-life of its products as an indicator of product quality. It sets a use-life of 200 hours as the average length of use with which it believes its products should last. The Quality Control Department randomly samples 120 products and finds the mean use-life of these to be 203 hours. What will be the appropriate test to see if its products are produced at the desired sample?

2. If you reject a null hypothesis at the 1% level of significance (that is, alpha = 0.01) will you also reject it at the 5% level of significance? Why or why not?

Reference no: EM131615395

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