Which of the following is NOT a requirement of the Combinations Rule Cr n rl n r for items that are all different Choose the

Question

Which of the following is NOT a requirement of the Combinations Rule Cr n rl n r for items that are all different Choose the correct answer below OA That there be n different items available OB That order is taken into account consider rearrangements of the same items to be different sequences OC That order is not taken into account consider rearrangements of the same items to be the same OD That r of the n items are selected without replacement

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