Answered: A student must answer 6 out of 8…

A student must answer 6 out of 8 questions on an exam. How many different ways can he do the exam? If the first two questions are mandatory, how many ways can he do the exam?

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.6: Permutations And Combinations

Problem 1SC: If a man has 4 sweaters and 5 pairs of slacks, how many different outfit can he wear?

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A student must answer 6 out of 8 questions on an exam. How many different ways can he do the exam? If the first two questions are mandatory, how many ways can he do the exam?

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