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A Computer Laboratory Manager Was in Charge of Purchasing New

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A computer laboratory manager was in charge of purchasing new battery packs for her lab of laptop computers. She narrowed her choices to two models that were available for her machines. Since the two models cost about the same, she was interested in determining whether there was a difference in the average time the battery packs would function before needing to be recharged. She took two independent random samples and computed the following summary information: A computer laboratory manager was in charge of purchasing new battery packs for her lab of laptop computers. She narrowed her choices to two models that were available for her machines. Since the two models cost about the same, she was interested in determining whether there was a difference in the average time the battery packs would function before needing to be recharged. She took two independent random samples and computed the following summary information:   Find a 95% confidence interval for the difference in average functioning time before recharging in the two models. ______________ Based on the interval above, can one conclude there is a difference in the true average functioning time before recharging between the two models of battery packs? ______________ Explain. ________________________________________________________ Find a 95% confidence interval for the difference in average functioning time before recharging in the two models.
______________
Based on the interval above, can one conclude there is a difference in the true average functioning time before recharging between the two models of battery packs?
______________
Explain.
________________________________________________________

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Definitions:

Potential Obligation

This term refers to a possible future liability that might arise as a result of past events or transactions, dependent on certain occurrences.

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