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?
Probability puzzle. It seemed like they have a long list of puzzles and randomly choose one of them for each interviewee
Probability, expectations, bayes theorem, and recursion.
Phone: quantitative questions. On-site: trading games.
Probability questions regarding dice and repeated tosses
Expected value of a die roll, where you have the option to roll a second time if you want to (after observing the first roll value)
Math problems, probability and some brain teasers.
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