Question

If P(x=2) = O.3, P(x=3) = 0.4, P (x=4) = 0.3, then E (x) is: option = 1) 4, 2) 3, 3) 9 ,4) 2​

Answer 1

Step-by-step explanation:

2 may be I hope it 'll help u

Answer 2

Answer:

3) x=9 if x=9 answer is 0.9