Hi guys. Need help answering this lab problem for finance class. The values will be posted along with the questions. Thanks

A farm is considering expanding the operation which requires additional acreage. The net payoffs (projected profits) for three alternatives under consideration are listed below. The probabilities of each alternative under different states of the economy are also given.

Calculate:

1. Expected value for each alternative
2. Mean value
3. Standard deviation for each alternativeand Coefficient of variation for each alternative