Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: A confidence interval to estimate the population mean will be more precise when: 
 Options:  <1> The lower the confidence level. <2> The greater the dispersion of the sample. <3> The smaller the sample size. <4> The greater the typical sampling error. <5> The higher the confidence level.
