If $P \left( X ^ { 2 } > X _ { 025 , v } ^ { 2 } \right) = 14.4$

If $P \left( X ^ { 2 } > X _ { 025 , v } ^ { 2 } \right) = 14.4$ , then the number of degrees of freedom v is:

A) 5
B) 6
C) 7
D) 8