Estadística exam Flashcards

1
Q

Probabilidad de x=nº en una variable contínua

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

f(x) es de densidad si…

A

f(x) >= 0
Int [f(x)] = 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Distribución media

A

E[x] = mu = Int[x* <f(x)]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

V[x + y]

A

Si son independientes:
v(x) + v(y)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Variables independientes

A

p(intersección) = p(x) * p(y)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly