CA CPT 2013 Dec Question Paper Quantitative Aptitude for online practice

© examsiri.com
Question : 39 of 50
 
Marks: +1, -0
Find the expected value of the following probability distribution :
X -20 -10 30 75 80
P (x) 3/20 1/5 1/2 1/10 1/20
Go to Question: