NAME ___________________________________________ DATE________________

PROBABILITY

Use your EL-W516B to find the following number of combinations and permutations and to evaluate factorials.

1.How many groups or 4 can be formed from a class of 10 where order does not matter?

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2.How many groups of 4 can be formed from a class of 10 where order does matter?

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3.How many sets of 3 officers can be formed from a group of 15 where order does not mater?

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4.How many sets of 3 officers can be formed from a group of 15 where order does matter?

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5.Evaluate 5!

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6.What is 0!? What is 1!? Explain why the answer is so.

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