When the Sample Size and the Sample Proportion Remain

question 16

Multiple Choice

When the sample size and the sample proportion remain the same, a 90 percent confidence interval for a population proportion p will be ________ the 99 percent confidence interval for p.

• A) wider than
• B) narrower than
• C) equal to

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Definitions:

Homo Neanderthalensis

Human species living in Europe and western Asia from about 250,000 to 28,000 years ago; may have interbred with modern humans (Homo sapiens).

Homo Habilis

an early human species known for tool use, existing approximately 2.1 to 1.5 million years ago in Africa.

Hominids

A family of primates that includes humans and their extinct ancestors, characterized by bipedalism, large brain size, and complex behaviors.

Skeletal Differences

Variations in the structure or composition of the skeletal system among different organisms or individuals, often used in the study of evolutionary biology and anthropology.