pls provide solution.

PROBLEM: Given a die, it has 6 faces in which each face has either dot's of x- 1,2,3,4,5 and 6. Given it as the population, consider the sample of size n=3. Compute the following: I 1. Mean of the sampling distribution of the sample mean 2. Variance of the sampling distribution of the sample mean 3. Standard deviation of the sampling distribution of the sample mean 4. Illustrate the probability histogram of the sampling distribution of the mean