Concepts2
∑MathIntermediate
Linearity of Expectation Applications
Linearity of expectation says the expected value of a sum equals the sum of expected values, even if the variables are dependent.
#linearity of expectation#indicator variables#expected inversions+12
∑MathAdvanced
Burnside's Lemma
Burnside's Lemma says the number of distinct objects up to a symmetry group equals the average number of objects fixed by each symmetry.
#burnside's lemma#cauchy-frobenius#polya enumeration+12