**Daily update | 05 May, 2023**

# StackExchange

#### Where in the ROC curve does it tell you what the threshold is?

**Source:** stats**Views:** 524**Score:** 6**Tags:** roc auc

#### Probability that $k$ variables of multivariate Gaussian are positive

**Source:** stats**Views:** 79**Score:** 3**Tags:** probability normal-distribution

#### If $X$ and $Y$ are independent random variables with $X+Y\stackrel{d}{=}X$, then show that $\mathbb P(Y=0)=1$

**Source:** stats**Views:** 53**Score:** 2**Tags:** probability distributions random-variable characteristic-function

#### An approximate confidence interval for the $\alpha$ parameter of a Pareto Type II distribution when $\lambda$ is known

**Source:** stats**Views:** 27**Score:** 2**Tags:** self-study confidence-interval t-distribution approximation pareto-distribution

#### Can be the output distribution non-normal using the moment method?

**Source:** stats**Views:** 9**Score:** 2**Tags:** normal-distribution uncertainty error-propagation