Brain-teasers probability and game theory
Quantitativo Interview Questions
10,170 quantitativo interview questions shared by candidates
Standard probability questions involving coins and dice
The question was about Rock, Paper, Scissors and how to respond optimally when you know probabilities of your opponent playing certain things.
What is your past exp? why quant? what if this doesn’t work out?
Some simple dice probability questions
Some independent dice roll games and compute corresponding expectations.
You have 20 cards. 1 is black the rest are red. You keep drawing cards and get $1 for each red, but if you draw the black the game ends and you get nothing. How do you play and what’s the average payout? Now drawing the black card makes your score go negative, but you can continue drawing cards. What’s the strategy and expected payout now?
I have toss 10 fair coins. What is the probability of an even number of heads.
Q: Probability question involving numerous coins and a wand that could flip over a select number of coins (cannot remember the exact question)
Phone interview. 2 Probability questions. First one about rolling a dice. You may reroll at certain price. Find the expected pay off. Second one about two players tossing a coin BO7. Say A bets on heads and B bets on tails. Given that the game lasted 7 rounds and first round's a head. What's the probability that B wins?
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