I roll one die. If I don't like the number, I can reroll (for a maximum of two rolls). What is my expected value (assuming I play rationally)?
Trader Assistant Interview Questions
578 trader assistant interview questions shared by candidates
What is the chance that at least two people were born on the same day of the week if there are 3 people in the room?
We are going to bet on a football game for $10. Halfway through the game I can choose to raise the bet to $20. After I raise the bet to $20 you have a crystal ball that tells your chances of winning the game, what is the minimum probability of winning in order for you to take the bet. (note: if you decline the raise you forteit your original $10. IF you accept, $20 is on the line.
You have 10 coins, 9 of them are fair and one is double headed. You randomly choose a coin, flip it 5 times and get 5 heads. What's the chance you will get another heads if you flip it one more time.
square root of .16
I want to have a birthday party outside this weekend (i.e. need sunny weather). On Saturday, the chance of rain is 60 percent, sun 40 percent. On Sunday, rain is 80 percent, sun is 20 percent. From there, the interviewer can ask an array of questions: What are the chances I can have my party this weekend? If I have my party, what are the chances my party is on Saturday/Sunday? Etc.
Toss 4 coins. For each head shown, the play gets 1000$. Given a 2nd chance to play the game again. what's the strategy of the game and what's the expectation of the game.
2 there are 4 digits (1,2,3,4) and 3 operators (an add, a minus and a multiply ), which are put randomly, what is the expectation of this calculation
How much would you pay to play the following game: I roll a dice and pay you the amount showing (so if I roll a 4, I give you $4).
If a submarine can fire has two missiles to fire with each one hitting with a probability of 1/3, what is the probability that at least one missile will hit?
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