冲刺宝典 SAT数学
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新SAT官方Daily Practise每日一题数学图表题

小站整理2017-05-09 16:06:23

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摘要：今天起，本系列将给大家带来SAT官方的每日一练真题，各个项目都有，持续更新，希望大家同步多练习。今天这里分享的是5月4日的数学图表题，一起来练习吧！

答案：C

解析：

Choice C is correct. Using the information provided in the table, we find:

The total number of Gupta flies sampled in 2001 is 2604+2681+2640=7925.

The number of Gupta flies that were sampled in either the Botanical Garden or Farroupilha Parkis 2604+2681=5285.

The probability that one of the sampled Gupta flies in 2001 was found in either the Botanical Garden or Farroupilha Park is the ratio of the number of Gupta flies sampled in these two parks over the total number of Gupta flies sampled in 2001. Calculate this ratio as a percentage:Probability=5285/7925≈0.67=67%

Therefore, the probability that one of the sampled Gupta flies in 2001 was found in either the Botanical Garden or Farroupilha Park is approximately 67%.

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