(a) write the claim mathematically and identify upper h 0h0 and upper h subscript aha. (b) find the critical value(s) and identify the rejection region(s). (c) find the standardized test statistic. (d) decide whether to reject or fail to reject the null hypothesis. an environmental agency recently claimed more than 3232% of consumers have stopped buying a certain product because of environmental concerns. in a random sample of 10801080 consumers, you find 3535% have stopped buying the product. at alphaαequals=0.040.04, do you have enough evidence to support the claim?