According to the 2018 study of Council of Graduate Schools, 23.5\% of the US population are applicants for a Doctorate Degree (PhD). To verify the results, a third party California Education company conducted a study. They randomly selected 1500 people who finished at least a Master's degree and / or started a doctorate degree. The sample results showed \( 22 \% \) of the population (around 330 individuals) were on track to finish thei doctorate degree. What is the sample proportion (p-hat) from this study?
\( 23.5 \% \)
1500
\( 22 \% \)
300