What are the excluded values

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Free points also plz look my profile and answer really stuff