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on subcommittee be selected from a committee of 7 people? (B) How many ways can a president and vice-president be chosen from a committee of 7 people?...

​(A) How many ways can a 2​-person subcommittee be selected from a committee of 7 ​people?



​(B) How many ways can a president and vice-president be chosen from a committee of 7 ​people?

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Ways to select a  2 ​-person subcommittee from a committee... View the full answer

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(A) Total number of ways we can select 2 persons sub committee from a committee of 7... View the full answer

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