Before the Presidential Debates, It Was Expected That the Percentages $\alpha$

question 44

Essay

Before the presidential debates, it was expected that the percentages of registered voters in favor of various candidates would be as follows.

After the presidential debates, a random sample of 1200 voters showed that 540 favored the Democratic candidate; 480 were in favor of the Republican candidate; 40 were in favor of the Independent candidate, and 140 were undecided. We want to see if the proportion of voters has changed.
a.Compute the test statistic.
b.Use the p-value approach to test the hypotheses. Let $\alpha$ = .05.
c.Using the critical value approach, test the hypotheses. Let $\alpha$ = .05.

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Definitions:

Work in Process

Work in process (WIP) refers to partially finished goods that are still in the production process, representing a component of inventory valuation in manufacturing and project management.

Underapplied

Refers to a situation where the allocated indirect costs are less than the actual indirect costs incurred, resulting in a cost discrepancy.

Manufacturing Overhead

All indirect costs associated with the production process, including utilities, depreciation, and maintenance of equipment.

Work in Process

Inventory that includes all the materials, labor, and overhead costs for products in the production process but not yet completed.