6
8
0.24
0.35
For numbers 2-3, refer to the table below:
2
4
P(x)
0.12
0.29
2. Which of the following is the correct formula to find the expected value of the
probability distribution?
A. E(x) = {[x • P(x)]
C. E(x) = {[x2. P(x)] - 22
B. E(x) = {[x2. P(x)]
D. E(x) = {[x2.P(x)] – 22
3. What is the mean or the expected value of the given probability distribution?
A. 4.85
B. 5.64
C. 6.32
D. 7.12​