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

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.