reviews of probability books

Permutations and Combinations Questions

Test you understanding of permutations and combinations with the following questions. These are multiple choice questions. Submit your answer and you will receive a score plus an explanation of the solution.
1. Given five hats, three red and two black. How many permutations are there of the five hats?
2. You have a regular pack of playing cards. You pick 5 cards at random. How many combinations are there?
3. How many \( K \) -combinations of a set of size \( 5  \) are there where \( K \) takes on the integer values in the range \( [1,5] \).

 

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