Identify the Null Hypothesis, Alternative Hypothesis, Test Statistic, P-Value, Conclusion

question 80

Essay

Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim.
-A poll of 1,068 adult Americans reveals that 48% of the voters surveyed prefer the Democratic candidate for the presidency. At the 0.05 level of significance, test the claim that at least half of all voters prefer the Democrat.

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Definitions:

Fastest-growing Households

Households that are increasing in size or economic status at a rate significantly higher than the average.

American Household

A domestic unit in the United States, which may consist of family members and/or other unrelated individuals who live together.

Metropolitan Statistical Area

A geographical region with a relatively high population density at its core and close economic ties throughout the area, used in statistical analysis and policy making.

Urbanized Area

A densely populated area characterized by high human settlement and infrastructure such as roads, buildings, and utilities that support a city or town.