Find the mean of the distribution above
-
A.
1 -
B.
2 -
C.
3 -
D.
4
Correct Answer: Option C
Explanation
(Mean = frac{(0 times 1) + (1 times 2) + (2 times 2) + (3 times 1) + (4 times 9)}{1 + 2 + 2 + 1 + 9}\=frac{(0 + 2 + 4 + 3 + 36)}{15}\=frac{45}{15}=3)