Asked by Sarah
I have 5 pairs of chopsticks in my drawer, each pair a different colour. How many chopsticks do I have to draw out in order to guarantee that I have grabbed at least one pair of matching colours?
how is the answer 6?
how is the answer 6?
Answers
Answered by
mathhelper
Look at your worst case scenario, which would be:
I pick chopsticks 5 times and each time I get a different colour.
What would happen on my 6th pick ??
of course I could have reached the case of matching colours before the
case of 5 different colours, so the worst we can have is 6 picks.
I pick chopsticks 5 times and each time I get a different colour.
What would happen on my 6th pick ??
of course I could have reached the case of matching colours before the
case of 5 different colours, so the worst we can have is 6 picks.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.