P(A)
Name: Probability function. Explanation: Used to represent the probability of event A.
P(A ∩ B)
Name: Probability of events intersection. Explanation: Used to represent the probability of both event A and event B.
P(A ∪ B)
Name: Probability of events union. Explanation: Used to represent the probability of event A or event B.
P(A | B)
Name: Conditional probability function. Explanation: Used to represent the probability of Event A.
f (x)
Name: Probability density function.
μ
Name: Population mean. Explanation: Used to represent the mean of population values.
E(X)
Name: Expectation value. Explanation: Used to represent the expected value of variable X.
E(X | Y)
Name: Conditional expectation. Explanation: Used to represent the expected value of variable X, given variable Y.
var(X)
Name: Variance. Explanation: Used to represent the variance of variable X.
σ2
Name: Variance. Explanation: Used to represent the variance of population values.
std(X)
Name: Standard deviation. Explanation: Used to represent the standard deviation of variable X.
cov(X,Y)
Name: Covariance. Explanation: Used to represent the covariance of variables X and Y.
corr(X,Y)
Name: Correlation. Explanation: Used to represent the correlation of variables X and Y.
ρX,Y
Name: Correlation. Explanation: Same as above.
∑
Name: Summation. Explanation: Used to represent the sum of all values that are in range in a series.
∑∑
Name: Double summation. Explanation: Same as above, but doubled!
Q1
Name: First quartile. Explanation: Used to represent the 25% of the population below this value.
Q2
Name: Second quartile. Explanation: Used to represent the 50% of the population below this value.
Q3
Name: Third quartile. Explanation: Used to represent the 75% of the population below this value.
n!
Name: Factorial.
nPk
Name: Permutation.
N(μ,σ2)
Name: Normal distribution.
U(a,b)
Name: Uniform distribution.
exp(λ)
Name: Exponential distribution.
gamma(c, λ)
Name: Gamma distribution.
χ 2(k)
Name: Chi-square distribution.
F (k1, k2)
Name: F distribution.
Bin(n,p)
Name: Binomial distribution.
Poisson(λ)
Name: Poisson distribution.
Geom(p)
Name: Geometric distribution.
HG(N,K,n)
Name: Hyper-geometric distribution.
Bern(p)
Please watch the fallowing video:
https://www.youtube.com/watch?v=21V9WBJLAL8