# What is the z-score of sample X, if #n = 54, mu= 37, St. Dev. =30, and mu_X =42#?

##### 1 Answer

Nov 10, 2015

#z=1.225#

#### Explanation:

We have to find the Standard Error of the given distribution.

It is - SD

#z=(mu_x-mu)/sigma=(42-37)/4.08=1.225#