Toss four coins up in the air with the goal of maximizing number of heads. After first toss, have the option of tossing again. What is the expected number of heads in this game?
Assistant Trader Interview Questions
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X is uniformly distributed on [0,5]. what is E(|5-x|) if x is continous vs. discrete? Which is larger? Why?
What is the nearest integer to the square root of 5500
Player A had a better batting average than Player B in both the first and second halves of the season. Is it possible for Player B to have a better average than A in the overall season?
Chance of rain on saturday is 50%, chance of rain on sunday is 60%. What's the chance of rain on the weekend?
What is the smallest number such that its digits multiply to 10,000
You have a fair coin and constantly toss it, how many tosses in expected do you need to get a TTT sequence?
gambling game with expected value problem
mental math
2 digits multiplications, sequence problems, finding patterns and reasoning questions.
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