A Large Fishing Farm with Thousands of Fish Has Been

Multiple Choice

A large fishing farm with thousands of fish has been treating its fish to stop a spreading fungal infection. A simple random sample of 50 fish is taken to determine the proportion p that is infected in this population. A careful examination determines that 6 of the fish sampled are infected. Using appropriate technology, what is a plus four 95% confidence interval for the population proportion of infected fish?

A) 0.053 to 0.243
B) 0.030 to 0.210
C) 0.046 to 0.194
D) 0.069 to 0.228