A Sample of 1,400 American Households Was Asked If They

question 36

Multiple Choice

A sample of 1,400 American households was asked if they planned to buy a new car next year. Of the respondents, 34% indicated they planned to buy a new car next year. Construct a 90% confidence interval of the proportion of American households who expect to buy a new car next year.

• A) [0.3152, 0.3648]
• B) [0.3192, 0.3608]
• C) [0.3394, 0.3406]
• D) [0.3354, 0.3446]

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Definitions:

Normal Distribution

A bell-shaped curve that represents the distribution of many types of data where most occurrences take place in the middle of the range and fewer occur as you move away from the center.

Environmental Deprivation

The lack or inadequacy of environmental stimuli and experiences, necessary for optimal psychological and physical development.

Generational Changes

The differences in opinions, values, traits, and behaviors observed between different generations.

Intelligence

The ability to acquire knowledge, think abstractly, reason, solve problems, and adapt to new situations.