A Work Sampling Study Requires an Acceptable Error Level of 10

question 30

Multiple Choice

A work sampling study requires an acceptable error level of 10% and z = 2 for 95.45% confidence. The adequate sample size is ________ if the sample proportion is thought to be as large as 50%, but ________ if the sample proportion is thought to be about 20%.

• A) 50;20
• B) 100; 64
• C) 100; 16
• D) 20; 50
• E) cannot be determined from the information given

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Definitions:

Volcanic Island

An island that forms from the accumulation of material ejected from an underwater volcano, rising above the sea surface.

Equilibrium Model

A concept in ecology that views ecosystems as stable, balanced, and self-regulating systems where species populations remain in equilibrium unless disturbed.

Island Biogeography

A field within biogeography that examines the factors that affect the species richness and diversification of isolated natural communities.

Near Mainland

The geographical area or environment located close to a large mass of land or continent.