An environmental conservation agency recently claimed that more than 30% of Canadian consumers have stopped buying a certain product because the manufacturing of the product pollutes the environment. You want to test this claim. To do so, you randomly select 980 Canadian consumers and find that 314 have stopped buying this product because of pollution concerns.

explain

confidence interval for the true proportion of Canadian consumers who have stopped buying the product at the following levels of confidence: a. 90% b. 95%