Question

A large fishing farm with thousands of fish has been treating its fish to stop a spreading fungal infection. A simple random sample of 100 fish is taken to determine the proportion that is infected in this population. A careful examination determines that 12 of the fish sampled are infected. Is there statistically significant evidence that the infection would be contained if fewer than 10% of the fish were infected. Assume that significance level of 0.05. Use 8 step procedures to answer this question

Answer 1