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Of five letters (a, b, c, d, and e), two letters are to be selected at random. how many possible selections are there
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4 votes
Of five letters (a, b, c, d, and e), two letters are to be selected at random. how many possible selections are there

User Bart Whiteley
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1 Answer

5 votes
You can use C(5,2) which is
5*4/2 which makes 10!
User Juan Lopes
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