Q.13, DO IT FAST PLS

For a population with a mean equal to 100 and a standard deviation equal to 30, calculate the standard error of the mean for the following sample sizes. a) 15 b) 40 c) 65 a) The standard error of the mean for a sample size of 15 is (Round to two decimal places as needed.) b) The standard error of the mean for a sample size of 40 is (Round to two decimal places as needed.) c) The standard error of the mean for a sample size of 65 is (Round to two decimal places as needed.)