Jia Earn Lim's answer to Audrey's Junior College 1 H1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jia Earn Lim
Jia Earn Lim's answer
96 answers (Tutor Details)
1st
I haven’t done distributions in a while so do let me know if this is wrong :P But i believe you should be using n=205 here as the airline sold 205 tickets, hence there are 205 potential passengers. I hope my explanation in the working helps :)