ONE QUESTION, ONE STEP
ZX-F8446FC1B22024年11月A卷 · 第 9 题
2024年11月A卷 · 原库模块 2 · Q9 原库参考解析
The manager of a gym selected a sample of 142 members at random to estimate the percentage of the gym's members that would continue to pay for a membership if the price increased. From the survey, the manager estimates that 89% of the gym's members would continue to pay for a membership if the price increased, with an associated margin of error of 5.15%. If the survey is repeated with a random sample of 284 members and the results are calculated in the same way, which of the following will be the most likely effect of using the larger random sample compared to the smaller random sample?
参考答案：
解题思路
容易忽略的一步
