3 groups of 3 people are to be selected from 9 people, of whom 3 are man teachers, 2 lady teachers and 4 parents. Find the probability that 1 group consist of at least 2 of the man teachers.
3 groups of 3 people are to be selected from 9 people, of whom 3 are man teachers, 2 lady teachers and 4 parents. Find the probability that 1 group consist of at least 2 of the man teachers.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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3 groups of 3 people are to be selected from 9 people, of whom 3 are man teachers, 2 lady teachers and 4 parents. Find the probability that 1 group consist of at least 2 of the man teachers. (Please help me with complete solution and a little explanation would be helpful.Thankyou)
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