# A population distribution has mean 50 and standard deviation 20. For a random sample of size 100, what is the mean and standard error of the sampling distribution of the sample mean?

##### 1 Answer

Sep 30, 2017

#### Explanation:

we are not told what the background distribution is. But since the sample size is **Central Limit Theorem.**

if

in this case we have

the mean will be

standard error