Test Hypotheses About a Population Proportion
-The Business College Computing $25 \%$

question 89

Multiple Choice

Test Hypotheses about a Population Proportion
-The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion exceeds $25 \%$ , then the lab will scale back a proposed enlargement of its facilities. Suppose 300 business students were randomly sampled and 75 have PC's at home. What assumptions are necessary for this test to be satisfied?

• A) No assumptions are necessary.
• B) The sample variance equals the population variance.
• C) The population has approximately normal distribution.
• D) The sample mean equals the population mean.

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Definitions:

Savers

Individuals who allocate part of their income to a savings account or other forms of investment for future use, rather than spending it immediately.

Borrowers

Individuals or entities that take out loans from financial institutions or individuals, typically agreeing to pay back the original amount plus interest.

Structural Unemployment

When people are out of work for a couple of years or longer.

Textile Mill

A factory specialized in manufacturing various kinds of fabrics from natural and synthetic fibers through processes like weaving, knitting, and dyeing.