In how many ways can 8 people be seated in a row if persons A and B must sit next each other? Select one: O a. none O b. 2!*7! O c. 8! O d. 2!*6! e. 2!

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.6: Permutations And Combinations
Problem 5SC: In how many ways can 5 people stand in a line if one person demands to be first?
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Question
In how many ways can 8 people be seated in a row if persons A and B must
sit next each other?
Select one:
O a. none
а.
O b. 2!*7!
О с.
Cc. 8!
d. 2!*6!
O e. 2!
Transcribed Image Text:In how many ways can 8 people be seated in a row if persons A and B must sit next each other? Select one: O a. none а. O b. 2!*7! О с. Cc. 8! d. 2!*6! O e. 2!
3- From a group of 5 women and 7 men, how many different committees consisting of 2
women and 3 men can be formed? Whatifoe the men are fonding and rese toO Se
First part only
Select one:
O a. none
b. 5C2 + 7C3
O c. 5C2*7C3
O d. 5P2*7P3
Transcribed Image Text:3- From a group of 5 women and 7 men, how many different committees consisting of 2 women and 3 men can be formed? Whatifoe the men are fonding and rese toO Se First part only Select one: O a. none b. 5C2 + 7C3 O c. 5C2*7C3 O d. 5P2*7P3
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