This document discusses probability questions involving arranging people in a classroom. It finds that there are over 3 trillion ways to arrange people for one question, over 46 billion ways for another, and a 13.33% probability that two specific people will sit together for a third question.

1. Solutions 4 Classroom

2. Question 4 a.) 1 2 3 There are 3.4871x10^12 ways to be arranged.

3. Question 4 b.) 4 Possibilities 4 Possibilities 4 Possibilities Total 12 possibilities 2! Ways to arrange Oliver and Lilly beside each other

4. Question 4 b.) Continued There are 464950886400 possible ways to arranged.

5. Question 4 .c) There are 3.0221x10^12 possible ways to be arranged.

6. Question 4 .d) The probability the John and Richard sitting together is 13.33%.