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Math 30-1: Permutations and Combinations Practice Exam. PRACTICE EXAM. 1. n! The expression is equivalent to: (n - 2)! A. B. C. D. 2. A Grade 12 student is taking Biology, English, Math, and Physics in her first term. If a student timetable has room for five courses (meaning the student has a spare), how many ways can she schedule her courses?
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Many of the examples from PART 1 MODULE 4 could be solved with the permutation formula as well as the fundamental counting principle. Identify some of them and verify
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A permutation is an arrangement of objects in which order is important. For instance, For instance, the 6 possible permutations of the letters A, B, and C are shown.
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Permutations vs Combinations. State if each scenario involves a permutation or a combination. 1) A team of 8 basketball players needs to choose a captain and co-captain. 3) The batting order for seven players on a 12 person team. 2) Rob and Mary are planning trips to nine countries this year.
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Example 1. a) Use a tree diagram to find the number of unique words. b) Use the Fundamental Counting Principle to find the number of unique words. c) Use permutation notation to find the number of unique words. Evaluate using a calculator.
Combinations and Permutations. Calculate the value of each. 1) 4! = _____ 2) 4! × 3! = _____ 3) 5! = _____ 4) 6! + 3! = _____ 5) 7! = _____ 6) 8! = _____ 7) 4! + 4! = _____ 8) 4! − 3! = _____ Solve each word problems. 9) Susan is baking cookies. She uses sugar, flour, butter, and eggs. How many different orders of ingredients can she try?
Permutations & combinations. Math > Statistics and probability > Counting, permutations, and combinations > Combinations. Problem. You need to put your reindeer, Prancer, Quentin, Rudy, and Jebediah, in a single-file line to pull your sleigh. However, Rudy and Prancer are best friends, so you have to put them next to each other, or they won't fly.
