For a 1 proportion test, the hypotheses are as follows.
 Null hypothesis

H_{0}: p = p_{0} 
The population proportion (p) equals the hypothesized proportion (p_{0}). 
 Alternative hypothesis
 Select one of the following alternative hypotheses.
H_{1}: p ≠ p_{0} 
The population proportion (p) differs from the hypothesized proportion (p_{0}). 
H_{1}: p > p_{0} 
The population proportion (p) is greater than the hypothesized proportion (p_{0}). 
H_{1}: p < p_{0} 
The population proportion (p) is less than the hypothesized proportion (p_{0}). 