In how many ways can 5 people be seated on a sofa, if there are only 3 seats available? * In how many ways can 10 individuals be selected from 25 individuals? *

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
An experiment consist of
asking 3 women at random if
they wash their dishes with
brand X dishwashing liquid.
List all the elements of S
corresponding to the event A
that at least two of the women
*
use brand X.
In how many ways can 5
people be seated on a sofa, if
there are only 3 seats
available? *
In how many ways can 1O
individuals be selected from
25 individuals? *
Transcribed Image Text:An experiment consist of asking 3 women at random if they wash their dishes with brand X dishwashing liquid. List all the elements of S corresponding to the event A that at least two of the women * use brand X. In how many ways can 5 people be seated on a sofa, if there are only 3 seats available? * In how many ways can 1O individuals be selected from 25 individuals? *
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