一道SAT数学真题及答案.

　　SAT数学真题对于大家是最好的备考SAT数学材料，所以大家一定要对SAT数学真题中的题目都进行认真的解答和详细的分析。下面澳际小编就为大家提供了一道SAT数学真题及其答案，供大家参考，希望对大家有所帮助。

　　A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are seniors, juniors, and sophomores who applied. Each senior&aposs name is placed in the lottery times; each junior&aposs name, 　　times; and each sophomore&aposs name,time. What is the probability that a senior&aposs name will be chosen?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is D

　　Explanation

　　Difficulty: Hard

　　To determine the probability that a senior&aposs name will be chosen, you must determine the total number of seniors&apos names that are in the lottery and divide this number by the total number of names in the lottery. Since each senior&aposs name is placed in the lottery　　times, there areseniors&apos names. Likewise, there arejuniors&apos names andsophomores&apos names in the lottery. The probability that a senior&aposs name will be chosen is.

　　以上就是关于SAT数学真题的全部信息，后面附有答案和相关的解析，是关于代数方面的。大家在备考SAT数学真题的时候，一定要以明白真题所代表的知识点和题型的特点为备考的目的，这样才能更好的应对SAT数学考试。