A survey is run in a country of approximately 5 million people. The survey is held in order to estimate what proportion of people in the country have a certain characteristic. Roughly 1,000 people are surveyed, and a sample proportion is calculated. The surveyor then wishes to construct a confidence interval for the population proportion.Select the pieces of information that the surveyor requires in order to construct the confidence interval:the exact size of the populationthe characteristic of interestthe proportion of people in the sample with the characteristicthe level of confidence desiredthe exact size of the sample that is surveyed