Mathematics, 17.12.2020 16:40 yaya111601

A sample of 25 light bulbs will be selected to conduct a test to determine if the mean life of the bulb is different than 1000 hours. The sample bulbs had a mean of 994.1 hours and a standard deviation of 30.5 hours. Conduct the test.

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A sample of 25 light bulbs will be selected to conduct a test to determine if the mean life of the b...

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