Miss Morrison has a test bank of multiple choice questions. 15 questions are combinations, and 12 are permutations. Miss Morrison is writing a test with 12 multiple choice questions. a) How many different tests can she write if she wants to choose 7 combination and 5 permutation multiple choice questions. b) After she has chosen the 12 questions, in how many orders can she put them on the test?
Miss Morrison has a test bank of multiple choice questions. 15 questions are combinations, and 12 are permutations. Miss Morrison is writing a test with 12 multiple choice questions. a) How many different tests can she write if she wants to choose 7 combination and 5 permutation multiple choice questions. b) After she has chosen the 12 questions, in how many orders can she put them on the test?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Miss Morrison has a test bank of multiple choice questions. 15 questions are
combinations, and 12 are permutations. Miss Morrison is writing a test with 12
multiple choice questions.
a) How many different tests can she write if she wants to choose 7 combination
and 5 permutation multiple choice questions.
b) After she has chosen the 12 questions, in how many orders can she put them on
the test?
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