# Questions tagged [probability-or-statistics]

Questions about systematic data collection and organization, or the application of probability theory to model the inherent patterns and properties of sampled data, underlying data distribution(s) or random processes.

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### Probability Generating Function(s)?

I'm very new to Mathematica and I have started to use it since I have been tackling some Physics related problems(I'm an engineer by training). Specifically, I'm dealing with Master Equations and one ...
174 views

### Plotting a normal curve over a histogram

I am teaching a basic introduction to normal curves, and the textbook introduces the topic with the idea of rolling five dice and recording the sum. Do this many times and create a histogram of the ...
81 views

### Estimation of the expected Euclidean distance between two random points on a unit $n$-hemisphere

What is the best approach to estimate, with Wolfram Mathematica, the expected Euclidean distance (in a $(n+1)$-dimensional space) between two points selected uniformly at random on a unit $n$-...
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### How to find the inverse of CDF of geometric function? [closed]

The cdf of geometric distribution is given by $F(x)=1-(1-p)^x$. I want to calculate the inverse of it, for example, $F^{-1}(U)$ I am doing the following ...
88 views

### Estimate the expected distance between two random points on the unit $n$-sphere [duplicate]

What is the best approach to estimate, with Wolfram Mathematica, the expected Euclidean distance in a $(n+1)$-dimensional space between two points selected uniformly at random on the unit $n$-sphere? ...
65 views

### TransformedDistribution of normal and skew-normal distributions

I have the following distributions: distC =NormalDistribution[251.563, 0.317394] distS =SkewNormalDistribution[252.973, 0.503173, 5.59741] I want to analyse what ...
42 views

48 views

### Fisher distribution expressed with Chi ²

I am learning about the ANOVA test. This involves the Fisher-distribution. I know there is the ANOVA function and the ...
28 views

### Speed up exact distribution of the sum of the top $k$ statistics on a bounded discrete uniform distribution?

I came across a nice answer by Sasha (I believe a Wolfram engineer) on mathematics stack exchange regarding the distribution of the sum of the top $k$ order statistics. (This was an answer to an RPG ...
1k views

### Mean age of people [closed]

I have the following datas: I want to find mean age by using following formula, Any way to do this in general in Mathematica easily.