Suppose that we will take a random sample of size n from a population having mean and standard deviation . For each of the following situations, find the mean, variance, and standard deviation of the sampling distribution of the sample mean

Suppose that we will take a random sample of size n from a population having mean uand standard deviation o. For each of the following situations, find the mean, variance, and standard deviation of the sampling distribution of the sample mean x : (a) u = 17, 0=3, n= 21 (Round your answers of "o " and "o 2.1 to 4 decimal places.) ux Ox^2 ox (b) y = 562, 0= 7, n = 113 (Round your answers of "o" and "O 21 to 4 decimal places.) ux Ox^2 OX (c) = 5, 0= 3, n = 3 (Round your answers of "O " and "O 2.1 to 4 decimal places.) ux OX^2 X (d) u = 113, o=7, n=1,490 (Round your answers of "o " and "o 21 to 4 decimal places.) ox^2 ox