Thank you so much for helping me figure out the steps and the answers. You don't need to explain the steps:) Direct steps would be helpful for me. Thank you!

You are playing a upgraded vers There are four doors with one car behind one door and three goats behind the other fares dones. Suppose you pick a door, and the host opens another done and it is a goat. You have ton options 1. Keep your original choice. 2. Switch your choice, randomly choose one from the remaining two doors with ; probability for each. What would you do? Switch or not ? Please calculate the probability of winning a ear if you writes and if you stay. [Hint: This is a bounus question, do not waste too much time on it if you feel it too hard.] H 2