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Test Statistic Assignment | Professional Writing Services

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December 13th, 2019

A computer manufacturer estimates that it’s cheapest screens will last less than 2.8 years.

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A random sample of 61 of these screens has a mean life of 2.5 years. The population is normally distributed with a population standard deviation of 0.88 years. At a=0.02, what type of test is this and can you support the organization’s claim using the test statistic?

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