The sample size Using formulas to estimate the proportion. Known population of Daniel and the influenza vaccine acceptance rate. The study of platelet stars Chan Chandigarh road and the percentage of 58.15 was the sample size 406, and the study of Thanachaisethavut hundred crates and colleagues 58 found the response rate of the survey is that the percentage 77.8, thereby increasing the size of the group. For example, 30 percent for a total of 528 cases.
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