The Business College Computing Center Wants to Determine the Proportion $$\alpha = .01$$

Multiple Choice

The business college computing center wants to determine the proportion of business students who have laptop computers. If the proportion exceeds 25%, then the lab will scale back a proposed enlargement of its facilities. Suppose 200 business students were randomly sampled and 65 have laptops. Find the rejection region for the corresponding test using $$\alpha = .01$$

A) Reject $H _ { 0 }$ if $z = 2.33$ .
B) Reject $H _ { 0 }$ if $z < - 2.33$ .
C) Reject $H _ { 0 }$ if $z > 2.575$ or $z < - 2.575$ .
D) Reject $H _ { 0 }$ if $z > 2.33$ .