Discrete random variable - probability function
Page 1 of 1
Discrete random variable - probability function
The discrete random variable X has the probability function
where k is a constant.
(a) Show that k=
(b) Find the exact value of F(5).
(c) Find the exact value of E(X).
(d) Find the exact value of E(X2).
(e) Calculate Var(3-4X) giving your answer to 3 significant figures.
where k is a constant.
(a) Show that k=
(b) Find the exact value of F(5).
(c) Find the exact value of E(X).
(d) Find the exact value of E(X2).
(e) Calculate Var(3-4X) giving your answer to 3 significant figures.
Page 1 of 1
Permissions in this forum:
You cannot reply to topics in this forum
|
|