







9 games with 3 possible outcomes 
20200913 

Daniel pose la question : Hi
I’d like to know how many different outcomes would be in a
Soccer week played if there is 9 different games 2 teams and 3 outcomes
Win, tie or lose
Thank you Penny Nom lui répond. 





Seven switches with 3 stages each 
20150915 

jeff pose la question : We are trying to solve a combination problem. If I have 7 things that can be in 3 states (say on/partially on/off), and all 7 have to a state. How many different combinations can there be? It doesn't seem like we should treat it as 21 independent things, but not sure how to break the problem apart. Penny Nom lui répond. 





The last 4 digits of a cell phone number 
20121222 

Jacob pose la question : If the last 4 digits of a cell phone number, XXXXXXABCD, are restricted where: A cannot be 0 or 1 and B cannot be 0 / how many possible 4 digit combinations are left? Penny Nom lui répond. 





6 items are taken 3 at a time 
20100412 

Kristen pose la question : Explain the three different scenarios that could occur and would result in the following number of outcomes when 6 items are taken 3 at a time. Give reallife examples.
a. 63 = 6 x 6 x 6 = 216 possibilities
b. 6! / (6  3)! = 6 x 5 x 4 = 120 possibilities
c. 6! / (6  3)! 3! = 20 possibilities Tyler Wood lui répond. 





Three addends that sum to ten 
20080913 

Alfred pose la question : How many probabilities are there to have 3 addends to get a sum of 10? What is the formula? Harley Weston lui répond. 





Drawing blocks from a box 
20080211 

Inez pose la question : A box contains 3 red blocks and 1 green block. A block is chosen without looking and not put back. Then another block is chosen. What are the possible outcomes? Penny Nom lui répond. 





Phone Number Possibilities 
20000109 

Hamilton Weston pose la question : How do phone companies arrive at the possible number of phone numbers that can be generated for customers? Harley Weston lui répond. 

