Tagged Questions
-3
votes
1answer
46 views
Denotation of probability symbols
May I kindly clarify if the following mean the same thing?
$$P(AB) = P(A \cap B)$$
Cheers.
7
votes
2answers
207 views
Why are probability distributions denoted with a tilde?
What is the meaning of the tilde when specifying probability distributions? For example:
$$Z \sim \mbox{Normal}(0,1).$$
6
votes
2answers
849 views
What is the meaning of the semicolon in $f(x;\Theta)$?
In section 6.2, in the second paragraph of p. 335 (image below) of "Probability and statistical inference 7e" by Hogg and Tanis states:
perhaps it is known that ...
1
vote
2answers
178 views
When should I use $E(X)$ and when to use $\mu$ for the mean?
I see that $E(X)$ and $\mu_x$ are used to refer to the mean of some distribution or variate, but I am not clear on what circumstances each is appropriate.
$E(X)$ seems to always be more often in the ...
4
votes
2answers
368 views
Meaning of probability notations $P(z;d,w)$ and $P(z|d,w)$
What is the meaning between the notation $P(z;d,w)$ and $P(z|d,w)$ which is commonly used in many books and papers?
5
votes
1answer
168 views
What does $d$ mean in this notation of the “usual noninformative prior of $\mu_i$ and $\sigma_i$?”
Samiuddin, (1976) states:
or, typset with $\LaTeX$ as originally posted
We start with the usual noninformative
prior distribution of $\mu_i$ and
$\sigma_i (i = 1,2,\ldots, k)$
...
