A committee of 4 from among them is to be formed. There are 3 economists, 4 engineers, 2 statisticians and i doctor. A committee of 4 from among them is to be formed. Find the probability that the committee : (i) Consists of one of each kind ; (i) Has at least one economist ; (iii) Has the doctor as a member and three others.

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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There are 3 economists, 4 engineers, 2 statisticians
A committee of 4 from among them is to be formed.
doctor.
Find the probability that the committee :
(i) Consists of one of each kind ;
(ii) Has at least one economist ;
(iii) Has the doctor as a member and three others.
Transcribed Image Text:andi There are 3 economists, 4 engineers, 2 statisticians A committee of 4 from among them is to be formed. doctor. Find the probability that the committee : (i) Consists of one of each kind ; (ii) Has at least one economist ; (iii) Has the doctor as a member and three others.
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