Suppose that we will take a random sample of size n from a p

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 and standard deviation ?. For each of the following situations, find the mean, variance, and standard deviation of the sampling distribution of the sample mean bar-x :

Solution

Here is what I solved before, please modify the figures as per your question. Please let me know if you have further questions. Ifthis helps then kindly rate 5-stars.

Suppose that we will take a random sample of size n from a population having mean