# Questions tagged [probability]

A probability provides a quantitative description of the likely occurrence of a particular event.

11,197 questions
Filter by
Sorted by
Tagged with
3 views

### what is the probability of this event?

given this outcome of the dice {2, 3, 4, 6, 6}. You decide to re-roll both sixes. What is the probability that you roll either a small straight (four dice are in a row) or a large straight (all five ...
8 views

### The multivariate Inverse-Gamma

On wikipedia they give a multivariate form, which to my understanding is used when V is known up until the scaling factor for a Normal-InverseGamma conjugacy. I tried to find a source of the ...
8 views

### Normal distribution of ratio [closed]

Given the following variable: Actual returns / Expected Returns I will assume a normal distribution N(1,S^2). Do you think is it correct?
3 views

### How to formalize probability in the context of textual analysis

I'd like to develop a general framework to think about probability in the context of textual analysis. Consider a set of texts $\mathcal{T}$, with individual texts $T \in \mathcal{T}$, with each text ...
• 1
29 views

### Hazard function and survival analysis

I have a function $\lambda(t)$ which returns the instant probability of dying at a time $t$. I'd like to compute the function $F(t)$ which returns the probability of being dead at a certain time $t$. ...
• 133
1 vote
22 views

• 327
21 views

### How to calculate real probability with multiple scenarios?

I would like to know how to calculate the probability of being profitable on an event where there are multiple scenarios. For example paying 5 dollars to grab a bill from a box box full of bills where ...
• 1
1 vote
43 views

### Conditioning of join gaussian over a line

I need to compute the conditional probability of bivariate normal distribution over a line. Let's suppose that X and Y both are normal distributions and that they are independent. Let's suppose that ...
• 117
1 vote