(a) Write the claim mathematically and identify H subscript 0 and H subscript A
?(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 29?% of consumers have stopped buying a certain product because of environmental concerns. In a random sample of 1060 ?consumers, you find 40?% have stopped buying the product. At a=0.01 do you have enough evidence to support the? claim?