The Manufacturer of a Particular Battery Pack for Laptop Computers

question 27

Short Answer

The manufacturer of a particular battery pack for laptop computers claims its battery pack can function for 8 hours, on the average, before having to be recharged. A random sample of 36 battery packs was selected and tested. The mean functioning time before having to be recharged was 7.2 hours with a standard deviation of 1.9 hours. A competitor claims that the manufacturer's claim is too high. Perform the appropriate test of hypothesis to determine whether the competitor is correct. Test using = 0.05.
Test statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
Interpretation: __________________________________________
Find the p-value for this test.
p-value = ______________

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Definitions:

World's Population

The total number of people currently living on Earth, often subject to change due to factors like birth rates, death rates, and migration patterns.

World's Exports

The total value or volume of goods and services sent from one country to be sold in another.

Internationalization Process

The strategic process businesses undergo to expand operations and market presence across international borders, adapting to different cultural, legal, and economic systems.

Direct Foreign Investment

Investment made by a company or individual in one country in business interests in another country, in the form of either establishing business operations or acquiring business assets in the other country.