# What is the z-score of a 97.5% one sided p-value?

##### 1 Answer

Oct 20, 2015

If it is one-sided, then 2.5% area resides in the tail.

#### Explanation:

P(Z>z) = 0.025, then z = 1.96

Source: http://www.mathsisfun.com/data/standard-normal-distribution-table.html