At 12:41 PM 10/4/01 -0500, Edwina Chappell wrote: >Permutations say you have a speech class and, there are 5 students who have to give a short speech one day ... how many different ORDERS can they go in?
>versus Combinations. what if on a test, of 30 mc items ... the instructor lets you pick any 10 and work them ... and you don't have to work the others ... if you consider a collection of 10 items a mini test ... how many different mini tests are possible in this situation? or, the famous pizza example ... what if you go into pizza hut and, find out there are 12 things on the menu to pick from ... and, the special of the night is "any 3 ingredients on a large pizza for $9.99" ... how many different pizzas are possible? > Easy ways to understand the concepts and distinguish when to use? > > > >================================================================= >Instructions for joining and leaving this list and remarks about >the problem of INAPPROPRIATE MESSAGES are available at > http://jse.stat.ncsu.edu/ >================================================================= ============================================================== dennis roberts, penn state university educational psychology, 8148632401 http://roberts.ed.psu.edu/users/droberts/drober~1.htm ================================================================= Instructions for joining and leaving this list and remarks about the problem of INAPPROPRIATE MESSAGES are available at http://jse.stat.ncsu.edu/ =================================================================
