A Large National Company Is Considering Negotiating Cellular Phone Rates

question 31

Multiple Choice

A large national company is considering negotiating cellular phone rates for its employees.The Human Resource department would like to estimate the proportion of its employee population who own an Apple iPhone.A random sample of size 250 is taken and 40% of the sample own and iPhone.The 95% confidence interval to estimate the population proportion is _______.

• A)0.35 to 0.45
• B)0.34 to 0.46
• C)0.37 to 0.43
• D)0.39 to 0.41
• E)0.40 to 0.42

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Definitions:

Interest Groups

Organizations formed to promote the shared interests of their members, often by influencing public policy and legislation.

Strong Preferences

Intensely favorable biases or priorities individuals or groups hold for certain options or actions over others.

Paradox Of Voting

A situation in rational-choice theory where individual votes have little impact on the outcome, yet people still participate in elections.

Median-Voter Model

A political theory suggesting that the outcome of majority rule voting systems will represent the preferences of the median voter.