The County Clerk Wants to Estimate the Proportion of Retired

question 154

Short Answer

The county clerk wants to estimate the proportion of retired voters who will need special election facilities. The clerk wants to find a 95% confidence interval for the population proportion which extends at most 0.07 to either side of the sample proportion. How large a sample must be taken to assure these conditions are met?

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Definitions:

Consciousness

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.

Awareness

The state or ability to perceive, feel, or be conscious of events, objects, or sensory patterns.

Environment

The surroundings or conditions in which a person, animal, or plant lives or operates, encompassing both natural and built environments.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles and is involved in various biological rhythms.