2019年SAT考试数学考前必练经典试题2

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Read the following SAT test question and then click on a button to select your answer.

A company sells bottles of water. Using data from a random sample of all water bottles, the mean volume, in liters, of water per bottle is 0.96. The margin of error for this estimation is 0.08 liters of water. Which of the following is the most appropriate claim to make based on this sample?

A.The company always fills its water bottles with less than 1 liter of water.

B.The company always fills its water bottles with between 0.96 liters and 1.04 liters of water.

C.The company always fills its water bottles with between 0.88 liters and 1.04 liters of water.

D.It is plausible that the mean volume of all bottles sold by the company is in the range 0.88 liters to 1.04 liters.

答案：D

解析：

Option D is correct. The margin of error is associated with the mean estimate for all the water bottles based on the mean of the sample bottles so it is likely that the mean volume of all bottles is between 0.96 minus 0.08 and 0.96 plus 0.08 liters, or between 0.88 and 1.04 liters.

以上就是小编为大家准备的全部内容了，对于数学题我们唯有多多练习，才会熟能生巧，所以小编给大家真理了很多系列的试题在坦途网，备考就像是一场马拉松，前期越努力后期越轻松，希望在我们共同的努力下，大家在最后SAT考试成绩查询结果出来时，大家都能看到自己理想的成绩！