2023年9月17日 · Choose 2 Prizes from a Set of 6 Prizes. You have won first place in a contest and are allowed to choose 2 prizes from a table that has 6 prizes numbered 1 through 6. How many different combinations of 2 prizes could you possibly choose? In this example, we are taking a subset of 2 prizes (r) from a larger set of 6 prizes (n).

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Calculate the numerator n!: n! = 3! Calculate (n - r)!: (n - r)! = (3 - 2)! (3 - 2)! = 1! Calculate r!: r! = 2!

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Since r> n r> n, it is impossible to select 3 3 items from a total of only 2 2 possible items. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

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