A company has 7 senior and 5 junior officers. It wants to form an ad hoc legislative

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A company has 7 senior and 5 junior officers. It wants to form an ad hoc legislative committee. In how many ways can a 4-officer committee be formed so that it is composed of

(A) Any 4 officers?

(B) 4 senior officers?

(C) 3 senior officers and 1 junior officer?

(D) 2 senior and 2 junior officers?

(E) At least 2 senior officers?

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Finite Mathematics For Business Economics Life Sciences And Social Sciences

ISBN: 9780134862620

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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