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Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
My endeavor is to keep the answers crisp, lucid and jargon-free.
Some recent examples
Probability of meeting your friend on a tournament.
Comparing the probabilities of rolling a $12$ or two consecutive $7$'s first with a pair of dice
Getting a non natural answer for combinatorics question
Does the probability of team A winning a series of seven games depend on whether team A plays until they win the four games needed or all seven?
Probability of creating two same groups
Does knowing that you drew at least $1$ ace increase the probability that you drew at least $2$ aces ($5$ card hand)?
Arrangements of 10 red balls, 5 green balls and 5 blue balls where there can't be two adjacent balls of the same color
Probability that 4 socks selected at random from 4 pairs will form 2 pairs