Online Course Discussion Forum

Final Quiz II-A Combinatorics, Final Question

 
 
Picture of Mason Lee
Final Quiz II-A Combinatorics, Final Question
by Mason Lee - Sunday, 25 February 2024, 10:38 AM
 

I was wonder how you got the answer for question 20 of the final quiz. If there is a triangle with side lengths 1 and 2, then the only outcome that is an integer is 2, therefore the probability would be 1/5, which is 20%. Your answer was 40%. 

 
Picture of Xilong Lin
Re: Final Quiz II-A Combinatorics, Final Question
by Xilong Lin - Monday, 26 February 2024, 3:05 PM
 

Can you please post the question?:)