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A bag contains 10 cards, of which 2 are marked two, 1 is marked three, 4 are marked four and 3 are marked five. Construct

A bag contains 10 cards, of which 2 are marked two, 1 is marked three, 4 are marked four and 3 are marked five. Construct a probability distribution table, showing X, the number on the card and use your table to find the variance of this probability distribution.

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