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.

Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants in their country. The survey included random samples of 1026 adults from Country A, 1061 adults from Country B, 1130 adults from Country C, and 1025 adults from Country D. At