2. 外语
  3. A colored marble is to be chosen at random from a bag of marbles. The probability that the marble chosen will be green is 4/9. W

A colored marble is to be chosen at random from a bag of marbles. The probability that the marble chosen will be green is 4/9. W

admin2012-01-15  36
问题 A colored marble is to be chosen at random from a bag of marbles. The probability that the marble chosen will be green is 4/9. Which of the following could NOT be the total number of marbles in the bag?
选项 A、36
B、64
C、72
D、81
E、108
答案B
解析
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