SOLUTION: Fifteen people showed up to the Math Lab on Monday night. I want to give prizes to three of those students.
a. How many ways can I choose three people to receive an A on their
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-> SOLUTION: Fifteen people showed up to the Math Lab on Monday night. I want to give prizes to three of those students.
a. How many ways can I choose three people to receive an A on their
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Question 1113558: Fifteen people showed up to the Math Lab on Monday night. I want to give prizes to three of those students.
a. How many ways can I choose three people to receive an A on their final?
b. How many ways can three people be picked where the first person gets an A on the final, the second person gets 10 extra credit points and the third gets a free calculator?
c. How many ways can three people be chosen so that the first two people get an A on the final and the third gets extra credit.
a. In this case the order does not matter in the groups of three students, so the answer is the number of combinations = .
b. In this case the order does matter in the groups of three students, so the answer is the number of permutations 3P15 = 15*14*13.
c. .
