7) From a club of 21 people, in how many ways can a group of four members be selected? 8) A four-person committee is to be elected from an organization's membership of 13 people. How many different committees are possible? 9) The ski club with nine members is to choose three officers captain, co-captain & secretary, how many ways can those offices be filled?
7) From a club of 21 people, in how many ways can a group of four members be selected? 8) A four-person committee is to be elected from an organization's membership of 13 people. How many different committees are possible? 9) The ski club with nine members is to choose three officers captain, co-captain & secretary, how many ways can those offices be filled?
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...
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