Test Hypotheses About a Population Proportion
-The Business College Computing $35 \%$

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 $35 \%$ , then the lab will scale back a proposed enlargement of its facilities. Suppose 300 business students were randomly sampled and 85 have PC's at home. Find the rejection region for this test using $\alpha = 0.10$ .

A) Reject $\mathrm { H } _ { 0 }$ if $\mathrm { z } > 1.28$ .
B) Reject $\mathrm { H } _ { 0 }$ if $\mathrm { z } < - 1.28$ .
C) Reject $\mathrm { H } _ { 0 }$ if $\mathrm { z } > 1.645$ or $\mathrm { z } < - 1.645$ .
D) Reject $\mathrm { H } _ { 0 }$ if $\mathrm { z } = 1.28$ .