A Political Scientist Wants to Prove That a Candidate Is

question 3

Multiple Choice

A political scientist wants to prove that a candidate is currently carrying more than 60% of the vote in the state.She has her assistants randomly sample 200 eligible voters in the state by telephone and only 90 declare that they support her candidate.The observed z value for this problem is _______.

• A)-4.33
• B)4.33
• C)0.45
• D)-.31
• E)2.33

---

Definitions:

Weighted Average

A calculation that takes into account the different degrees of importance of the numbers in a dataset, making some values count more heavily than others.

Cost Flow Assumption

Accounting methods used to determine the cost of goods sold and ending inventory, such as FIFO (First-In, First-Out) or LIFO (Last-In, First-Out).

Weighted Average

A mathematical calculation that takes into account both the numbers and their weights, resulting in a figure that reflects their combined effect.

Purchase Costs

The actual amount paid or the expense incurred in acquiring goods or services, including the product price, shipping, and handling fees.