Question 5 (1 point)

BEA140_Test2_10d (10.0 points) For this probability distribution, the standard deviation of X is:

X	X(P)
-2	0.1
2	0.5
5	0.4

Question 5 options:

1)

0.8000

2)

0.8944

3)

7.1600

4)

2.1354