Math Contest : November 26, 2024
(Ended)
Standings
Q5.
Problem 9: Six people with different ticket numbers are in line. How many ways can they arrange themselves such that no three consecutive people have ticket numbers in increasing order?
Q6.
Imagine a warehouse where 3% of the packages are damaged. A scanner detects damaged packages 95% of the time but mistakenly flags 4% of undamaged packages as damaged. If a package is flagged as damaged, what is the probability that it is actually damaged?
