A large diamond with a mass of 712.04 g was recently discovered in a mine if the density of a diamond is 3.51 g what is the volume round your answer to the nearest hundredth

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?

How do you solve a question like this?

Does anyone know how to do geometryme with this problem