A Polling Agency Wants to Determine the Size of a Random

question 39

Multiple Choice

A polling agency wants to determine the size of a random sample needed to estimate theproportion of homeowners who keep a hand gun in their home for security. The estimate shouldhave margin of error no more than 2.5 percentage points at a 95% level of confidence. Choose themost conservative answer that is closest to your calculated number, rounding to the nearest wholeperson.

• A) They should poll at least 1600 people.
• B) They should poll at least 1200 people.
• C) They should poll at least 400 people.
• D) They should poll at least 1000 people.

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Investors

Individuals or entities that allocate capital with the expectation of receiving financial returns.

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The arrangement and coordination of activities and resources to achieve specific goals and objectives.

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Documents that outline whether and how well an individual or organization adheres to set regulations, standards, or laws.

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