how do you do longhand

(a) Identify the claim and state H0 and Ha.

(b) Find the critical value(s) and identify the rejection region(s).

(c) Find the standardized test statistic z.

(d) Decide whether to reject or fail to reject the null hypothesis.

(e) Interpret the decision in the context of the original claim.

In a survey of 1000 drivers from Region A, 868 wear a seat belt. In a survey of 1000 drivers from Region B, 919 wear a seat belt. At