Question

2. A random variable X has the probability function as follows,
0
1
P(X=x): 0.2
0.3
0.5
Evaluate (1) E(3X+1) (11) E(X4) (111) var(X)​

Answer 1

Answer:

I think the answer is 0.5=5

Answer 2

Answer:

I don't understand the question

But I think 5