p̂
Symbol  Format  Data 

p̂  Code Point 
U+0070 
TeX 
\hat{p} 

SVG 
In statistics, the phat symbol (written as p̂, with a “hat” or “caret” over the letter p) is used to represent the proportion of a sample with a particular characteristic or outcome. The phat symbol is most commonly encountered in the context of hypothesis testing, confidence intervals, and estimation of population proportions based on sample data.
The Latin letter p.
The combining hat character is used to draw a hat over a character.