Is the expression binomial, trinomial, or none of the above? plz help!

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?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay