A parent-teacher committee consisting of 5 people is to be formed from 8 parents and 4 teachers. Find probability of parent-teacher committee consisting 3 parents and 2 teachers C(8,3)+ C(4,2) С(8,3)x C(4,2) 1. O C(8,3)+ C(4,2) С(8,3) х С(4,2) С(8,3) х С(4,2) 2. O 3. О С(12,5) С(8,2) х С(4,3) 4. O С (12,5)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A parent-teacher committee consisting of 5 people is to be formed from 8 parents and 4 teachers. Find probability of parent-teacher committee consisting 3 parents and 2 teachers
C(8,3)+ C(4,2)
1. о С(8,3)x С(4,2)
C(8,3)+ C(4,2)
C(8,3) x C(4,2)
2. O
С(8,3) х С(4,2)
С (12,5)
С(82) х С(4,3)
3. O
4. O
С(12,5)
Transcribed Image Text:A parent-teacher committee consisting of 5 people is to be formed from 8 parents and 4 teachers. Find probability of parent-teacher committee consisting 3 parents and 2 teachers C(8,3)+ C(4,2) 1. о С(8,3)x С(4,2) C(8,3)+ C(4,2) C(8,3) x C(4,2) 2. O С(8,3) х С(4,2) С (12,5) С(82) х С(4,3) 3. O 4. O С(12,5)
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