SOLUTION: The table below shows the probability distribution of a random variable Y. Y P(Y) - 20 0.08 - 19 0.15 - 18 0.08 - 17 0.33 - 16 0.31 - 15 0.05 What is the expected val

Algebra ->  Probability-and-statistics -> SOLUTION: The table below shows the probability distribution of a random variable Y. Y P(Y) - 20 0.08 - 19 0.15 - 18 0.08 - 17 0.33 - 16 0.31 - 15 0.05 What is the expected val      Log On


   

Question 1101263: The table below shows the probability distribution of a random variable Y.
Y P(Y)
-
20 0.08
-
19 0.15
-
18 0.08
-
17 0.33
-
16 0.31
-
15 0.05
What is the expected value of Y?
Write your answer as a decimal.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
E=20%280.08%29%2B19%280.15%29%2B18%280.08%29%2B17%280.33%29%2B16%280.31%29%2B15%280.05%29
Work that out for the answer.