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9709 P6 - Nov 2007 - Q7
2952

Box A contains 5 red paper clips and 1 white paper clip. Box B contains 7 red paper clips and 2 white paper clips. One paper clip is taken at random from box A and transferred to box B. One paper clip is then taken at random from box B.

The random variable X denotes the number of times that a red paper clip is taken. Draw up a table to show the probability distribution of X.

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