求人工翻译，很急！

your friend states in a report that the average time required to circle a 1.5-mi track was 65.414s.This was measured by timing 7 laps using a clock with a precision of 0.1s.How much confidence do you have in the results of the report?

你的朋友在一份报告里陈述环绕1.5（这个mi是什么？公里？）一圈所需时间为65.414秒。这是由精确度到0.1秒的时钟测量七圈得出的结论。你对这份报告的结果有多少信心？

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