Someone me. alright so i need someone to explain how to do probabilities. like the expected values calculations, how to do a probability tree diagram, how to do outcomes. for real guys, im pretty desperate and i really need to pass this assigment. i need a good explenation.

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?