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 30%, then the lab will scale back a proposed enlargement of its facilities. suppose 250 business students were randomly sampled and 75 have pc's at home. find the rejection region for this test using a = .05

- reject h is z is greater than 1.645

reject h is z= 1.645

reject h if z is less than -1.645

reject h if z is greater than 1.96 or z is less than -1.96