margo places 6 and 4 nickels in a jar for the experiment she selects a penny replaces it and selects another penny if margo repeats the experiment 100 times how many times can she expect to select two pennies

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?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.