There are 4 coins. You get a dollar for every head. All four coins are flipped. What is the outcome? What about if you can choose to either keep all of the flips or reflip all four coins?
Junior Trader Interview Questions
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If you roll a fair coin 12 times what is the expected product of number of heads and number of tails? (No papers of course)
If you roll a 10 sided die and you roll a 20 sided die, what is the probability that you get a bigger roll on the 10 sided die?
I flip 4 coins and give you a dollar for each head. I also give you the opportunity to flip one tail after I have flipped all four coins. What is the expected value of this game?
What is the expected value of a deck of cards?
How many 0s in 100! ?
what is the probability of 5 people with different ages sitting in ascending or descending order at a round table.
1 of the Final Round question: there is a token, which works as the following: you can pay XX$ to buy it, and then propose a bet. If you wins the bet, then that's it, and you can keep the token and use it in next round. If you lose the bet, you can use the token to take back half of your money. How much is that token worth based on the chips both side have on that day?
A bus has some number of people initially. At first stop, three quarters of the passenger get off, and 7 get on the bus. At the second stop, the same thing happened, three quarters of the passenger get off, and 7 get on the bus. At the third stop, exactly the same thing happened as previous two stops. What is the minimum number of passengers to start with?
Pretty standard question that has been asked before... keep flipping a coin until a winning combination appears (either HHT or HTT). Which strategy would you pick given the choice and why. Find the probabilities of winning associated with each strategy.
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