Continuous Random Variables Flashcards
1
Q
Sketch the curve
A
See notes
2
Q
What does the area under a continuous random variable curve equal
A
1
3
Q
What does E(X) equal
A
}xf(x) dx
4
Q
What does E(X^2) equal
A
}x^2 f(x) dx
5
Q
What does var(X) equal
A
E(x^2) - [E(X)]^2
6
Q
What does E(aX+b) equal
A
aE(X) + b
7
Q
What does Var(aX+b) equal
A
a^2 Var(X)
8
Q
What does P(a < x < b) equal
A
See notes
