Conditional probability distribution Y given that X = 0.5 y f(x, y) -1.0 -2 1/3 -0.5 -1 1/6 0.5 1 1/6 1.0 1/3 fxy (0.5, y) fyx(y) fx(0.5)

You buy a lottery ticket that costs $20. There are only 100 tickets available to be sold in this lottery. There are three $500 prizes, 4 $100 prizes, and 10 $20 prizes. Find your expected gain or loss. Round your answer to 2 decimal places. Please do not include the dollar sign in your answer (Ctrl) -

Please write your complete solution (paper). Calculate the probability of rolling a die twice and obtaining two fours (4 dots)?

please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly