Television Networks Frequently Run Public Opinion Polls on Issues of Concern.One

question 11

Multiple Choice

Television networks frequently run public opinion polls on issues of concern.One network conducted a scientific poll asking a question concerning the approval rating of the way President Obama was handling the Iraq War.At about the same time a second network ran an online poll using a very similar question.The results of the two polls are summarized in the following table. We would like to test to see if the two polls are consistent with respect to the proportion who approve of President Obama's handling of the war,i.e. ,H₀: If the test is used to test the null hypothesis,the expected cell count in the online poll for those who approve and that cell's contribution to the value of the test statistic are,respectively,

• A)390.1 and 7.70.
• B)333.9 and 6.78.
• C)390.1 and 6.69.
• D)333.9 and 7.81.
• E)362.0 and 1.46.

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Definitions:

Selling Price

The amount of money charged for a product or service, or the sum of values that consumers exchange for the benefits of having or using the product or service.

Margin of Safety

A financial metric that measures the difference between actual sales and the break-even point, indicating risk level.

Variable Expenses

Expenses that vary directly with changes in production volume or business activity levels.

Fixed Expenses

Costs that do not vary in the short term, regardless of the level of goods or services produced by the business.