GRE考试

【单选题】
A、colored marble is to be chosen at random from a bag of marbles. The probability that the marble chosen will be green is
Which of the following could NOT be the total number of marbles in the bag
A、36
B、64
C、72
D、81
E、108
网考网参考答案：B
网考网解析：
You are given that the probability of drawing a green marble is [*] or 4 out of 9. This means that the total number of marbles in the bag must be a multiple of 9. The question asks for the answer choice that cannot be the number of marbles in the bag. Therefore, the answer choice that is not a multiple of 9 will be the correct answer. Only 64 is not a multiple of 9. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>