### Questions (50)

 4 Why is $\frac{n}{2(n+1)^2}\leq\frac{1}{4}$? 2 A deck of cards includes 40 different cards. There are 8 cards in each of 5 suits. The cards are shuffled and a player receives 3 (different) cards. 2 Lottery Probability Questions 2 Showing that $\lim_{l\to\infty}\frac{E\left(X^{l+1}\right)}{E\left(X^l\right)}=n$ 2 How is $w=\lambda^{-1}X'(y-Xw)$ derived? [Ridge Regression]

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### Tags (55)

 0 probability × 26 0 machine-learning × 6 0 real-analysis × 10 0 matrices × 4 0 probability-theory × 7 0 calculus × 4 0 conditional-probability × 7 0 random-variables × 4 0 probability-distributions × 6 0 statistics × 4

### Bookmarks (6)

 48 Chain Rule Intuition 9 How to prove that exponential kernel is positive definite? 8 Differentiation with respect to a matrix (residual sum of squares)? 4 How to prove that the binomial distribution is approximately close to the normal distribution when $np(1-p) \geq 10$ 2 Characteristic function of Laplace distribution