Suppose That X Has a Distribution With $\mu$ = 26 And $\sigma$

Multiple Choice

Suppose that x has a distribution with $\mu$ = 26 and $\sigma$ =6. If a random sample is taken of size n = 37, find $\sigma$ _x.

A) 26.00
B) 0.99
C) 4.27
D) 0.16
E) 6.00