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Levels Tought:
Elementary,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 352 Weeks Ago, 5 Days Ago |
| Questions Answered: | 20103 |
| Tutorials Posted: | 20155 |
MBA, PHD
Phoniex
Jul-2007 - Jun-2012
Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016
Example:
In how many ways can a committee of 5 people be chosen if there are 10 instructors and 20 students available for the selection and the requirement is for 2 instructors and 3 students on the committee?
Solution:
In committees order does not matter. 2 instructors and 3 students denotes multiplication because of the and. Look at the product of how to select 2 instructors from 10 and 3 students from 20.
10C2 * 20C3
Open excel and type this in a cell
=combin(10,,2)*combin(20,3) or use the method in your book or a calculator to find the answer.
Assignment:
#1 Show your work and how you got the answer
#2 In your own words, tell the difference of a permutation and a combination and give an example of each.
Hel-----------lo -----------Sir-----------/Ma-----------dam----------- T-----------han-----------k Y-----------ou -----------for----------- us-----------ing----------- ou-----------r w-----------ebs-----------ite----------- an-----------d a-----------cqu-----------isi-----------tio-----------n o-----------f m-----------y p-----------ost-----------ed -----------sol-----------uti-----------on.----------- Pl-----------eas-----------e p-----------ing----------- me----------- on----------- ch-----------at -----------I a-----------m o-----------nli-----------ne -----------or -----------inb-----------ox -----------me -----------a m-----------ess-----------age----------- I -----------wil-----------l