Question: Suppose that a company produces three different products. The sales for each product are independent of the sales for the others. The information for these products is given in the table that follows:
![975_Price.png](https://secure.tutorsglobe.com/CMSImages/975_Price.png)
a. What are the expected revenue and variance of the revenue from Product A alone?
b. What are the company's overall expected revenue and variance of its revenue?