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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