In: Statistics and Probability
One state lottery has 1,100 prizes of $1; 135 prizes of $10; 15 prizes of $50; 5 prizes of $310; 2 prizes of $1,150; and 1 prize of $2,500. Assume that 22,0000 lottery tickets are issued and sold for $1. Round final answer to four decimals.
1. What is the lottery's expected profit per ticket?
2. What is the lottery's standard deviation of profit per ticket?