In a Survey of 1,000 People, 420 Are Opposed to an Income

question 95

Multiple Choice

In a survey of 1,000 people, 420 are opposed to an income tax increase. Construct a 95 percent confidence interval for the proportion of people in the population opposed to this tax increase.

• A) [.394, .446]
• B) [.389, .451]
• C) [.380, .460]
• D) [.399, .441]

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Definitions:

Galton's Theory

The theory proposed by Francis Galton emphasizing hereditary/genetic influences on intelligence and traits.

Genetics

The branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.

Flynn Effect

The observed substantial and long-sustained increase in both fluid and crystallized intelligence test scores measured in many parts of the world over the 20th century.

Gifted Child

A child who exhibits a significantly higher level of intellectual, creative, or artistic ability compared to peers of the same age.