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### Questions (16)

 2 Handshake Problem but with Boys and Girls only shaking with themselves 2 Twist on classic interview question. $P(X > 3Y)$ where $X,Y$ are uniform random variables 2 Normal approximation of sum of uniform independent RVs using CLT 2 Get the determinant of a block matrix given the submatrices. 1 I roll a die $N$ times, what is the probability that the sum is exactly $k$? [duplicate]

### Reputation (239)

 +20 Handshake Problem but with Boys and Girls only shaking with themselves +20 Twist on classic interview question. $P(X > 3Y)$ where $X,Y$ are uniform random variables +10 I roll a die $N$ times, what is the probability that the sum is exactly $k$? +10 Normal approximation of sum of uniform independent RVs using CLT

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### Tags (37)

 0 probability-theory × 3 0 expected-value × 2 0 probability-distributions × 3 0 binomial-theorem 0 uniform-distribution × 2 0 block-matrices 0 self-learning × 2 0 linear-algebra 0 combinatorics × 2 0 determinant