Question 2 (10 points) A car dealership has combined all popular options available in four packages. The first three packages have the same chance of being sold and the fourth package is twice as likely to be sold as any one of the other packages. Package 1. package 2, package 3, and package 4 generate revenue of $200, $400, $600 and $800 respectively. Find the mean and the standard deviation of the revenue generated from the options