Use the Basic Counting Law, Permutations, or Combinations to answer the following: 1.) eleven drugs have...

Use the Basic Counting Law, Permutations, or Combinations to answer the following:

1.) eleven drugs have been found to be effective in the treatment of a disease. it is believed that the sequence in which the drugs are administered is important in the effectiveness of the treatment. In how many ways can 5 of the 11 drugs be administered?

Solutions

Expert Solution

Here order of selection is important, so we will use permutation.

Number of ways to select 5 out of 11 = 11P5 = 11! / (11 - 5)! = 55440

orchestra answered 1 year ago

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