A primary school has 9 students, and we'd like to award 4 prizes to 4 different students. Each student can receive at most one prize. How many ways are there to award the prizes if: 1. All the prizes are the same. 2. All the prizes are the same and Tom, the youngest student, is not awarded a prize. 3. All the prizes are different. 4. All the prizes are different and Tom, the youngest student, is not awarded a prize.
A primary school has 9 students, and we'd like to award 4 prizes to 4 different students. Each student can receive at most one prize. How many ways are there to award the prizes if: 1. All the prizes are the same. 2. All the prizes are the same and Tom, the youngest student, is not awarded a prize. 3. All the prizes are different. 4. All the prizes are different and Tom, the youngest student, is not awarded a prize.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 6CT
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