评论
打印
Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
A biologist conducts a study regarding an invasive species, the Gupta fly, in the city of Porto Alegre, Brazil. The flies were sampled from three different parks in 2001 and 2002.
Frequency of Sampled Gupta Flies in Porto Alegre by Year
](http://pic.kekenet.com/2017/0508/48351494212142.png "SAT官方每日一题附答案和解析[数学](2017年5月8日)")
Based on the information in the table, as a percentage, approximately what is the probability that one of the sampled Gupta flies in 2001 was found in either the Botanical Garden or Farroupilha Park?
A.33%
B.50%
C.67%
D.77%
