Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Ask your questions and receive comprehensive and trustworthy answers from our experienced community of professionals.

There is a 20% chance that next year the total number of employees in the office supply stores of a chain in Milwaukee will increase by 300 .
There is a 70% chance that the increase will be 400 employees, and a 10% chance the total number of employees will decrease by 500. Determine the expected gain or loss in the number of employees for next year.