The mean for an SAT score is 1050, with a standard deviation of 100. A sample of 30 random students are selected. What is the sampling standard deviation you calculated?

What is probability this sample had an average scored of 1070 or less?

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

What is the solution to the equation 9^(x+1) =27

Find the area of an equilateral triangle with a side of 6 inches