)a local brewery distributes beer in bottles labeled 12 ounces. a government agency thinks that the brewery is cheating its customers. the agency selects 50 of these bottles, measures their contents, and obtains a sample mean of 11.7 ounces with a population standard deviation of 0.70 ounce. use a 0.01 significance level to test the agency's claim that the brewery is cheating its customers. justify your decision with work. write a short parargraph about the results of the test and what you can conclude about the claim.