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Use the mn Rule to find the number of items in the following exercise. There are...

Use the mn Rule to find the number of items in the following exercise.

There are three groups of distinctly different items, four in the first group, distinctly in the second, and eight in the third. If you select one item from each group, how many different triplets can you form?

Math   Statistics-And-Probability   
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For the above question kindly check the attached picture for complete explanation.

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