what is the expected number of flips of a coin to simulate a 6 sided die.
Assistant Trader Interview Questions
578 assistant trader interview questions shared by candidates
person A has a 30 sided and person B has a 20 sided die. both players role and the person with the highest role win (on a draw B wins). the loser pays the winner the value of the winners die. 1. calculate expected value of this game for player A (easy) 2. how does this value change if player B can re-roll and when should he re-roll. 3. now how much is it worth for player A to get a re-roll option in this scenario. 4. remove player A reroll. how many re-rolls do player B need in order for him to be a favorite in the game. i believed i solved 4 and 2 I had a decent idea but 3 is very difficult since optimal strategy might change based on opposing players optimal strategy.
If you roll a fair coin 10 times what is the expected product of number of heads and number of tails?
We consider numbers from 1 to 1 million. How many digits 2 are there??
You have a dart board thats split in half. If you hit the left half, you get 2 points, if you hit the right half, you get 3 points. If you have an 80% chance of hitting the dart board on any given throw and a 70% chance of hitting the side you're aiming for (given that you hit the dartboard so a 30% chance you hit the side you aren't aiming for), if you have an unlimited number of throws, what's the probability you get a score of exactly 7
Two dice - one 10 sided one 6 sided. Guess the roll of the two dice, no penalty for guessing under. You receive the amount on the dice if you guess it. What is the expected value? What is the bet that would maximize your payout?
What is the expected value of rolling two dice?
There are 6 red, 2green 3 yellow and 4 orange balls in the box. What is the probability to pick 2 balls that are either green or yellow?
Roll an n-sided die. You can get paid the outcome or pay 1/n dollars to re-roll. how much would you pay to play, and how much would you sell the game for? (rough numbers). five minutes for complete answer.
You have are offered a contract on a piece of land which is worth 1000000 70% of the time, 500000 20% percent of the time and 150000 10% of the time. The contract says you can pay x dollars for someone to determine the land's value from where you can decide whether or not to pay 300000 for the land. What is x? I.e. how much is this contract worth?
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