Question

A consumer advocacy group published a study of labeling of seafood sold in three U.S. states. The group purchased 227 pieces of seafood from various kinds of food stores and restaurants in the three states and genetically compared the pieces to standard gene fragments that can identify the species. The study found that 13 of the 23 ​"red snapper" packages tested were a different kind of fish. Assume that the study used a simple random sample.

A. Construct a 95​% confidence interval for the proportion of​ "red snapper" packages that were a different kind of fish. ___ to ____

B. Explain what the confidence interval from part A says about "red snapper" sold in these 3 states.

a) There is a 95% chance that the probability of any given red snapper sold in these 3 states being actual red snapper is between ___to___?

b) One is 95% confident that between ___ and ___ of all red snapper sold in restaurant and store is not actually red snapper

c) One is 95% confident that between ___ and ___ of all red snapper purchased for study in three states is not red snapper

Answer 1