Answer
In probability theory, the expectation of a random variable is the weighted average of all possible values that this random variable can take o ...

# Search results for probability

## Roulette game in a casino

Posted by Job-Interview## Fair coin flip

Posted by Job-Interview
"You flip a fair coin 20 times in a row and it comes up heads every single time. You flip the coin one more time. What is the probability of tails on ...

Full question:

Suppose you're on a train that has 1 to 100 carts. Given you are in fifth cart, what's the expected number of the carts?

Suppose you're on a train that has 1 to 100 carts. Given you are in fifth cart, what's the expected number of the carts?

**Company where asked this question:**CSFB**Interviewed for position:**quant jobs
The task is to write a function which at any give point would return random character with equal proability of any character being read from infinite ...

## Can you explain FMEA?

Posted by interview tips
FMEA - Failure modes and Effect analysis is a technique to identify the potential problems in system design or process by examining the effects of low ...

## knight's tour

Posted by Interview (http://spellscroll.com)
On an empty NxN chessboard, a knight starts from a point (say location x, y) and it starts moving randomly, but once it moves out of board, it can’t ...