pls hellp me pls hellp me 2. A certain population has 50,000 people. The ages of the population have a standard deviation of 5.4 years. A person randomly selects 55 people from the population, records their ages, and calculates the mean age of the sample. a. Is the sample more than 5% of the popuiation? b. Calculate the standard error c. What is the standard error telling you?.