Recent content by DenisaZsuZsa

That is logic, cause it's: the number of favorable cases/number of posible cases => 1/n! Also you can't say P(X), you have to say P(X=value) or P(X<value), so the corect way is: P(X=(x1,...xn))=P(X1=x1, ...Xn=xn) What I do not know is how to put the condition: X is a permutation of (1, 2...

Homework Statement You have an urn that contains n balls labeled with the natural numbers {1,2,3,...,n} and you extract n balls from the urn (with the condition that a ball may not be returned to the urn once drawn). You have to determine the distribution of X=(X1,X2,...,Xn), where Xk is...