Please help :( I can't answer any of those

1. A spinner for a board game is broken up into 4 sections. When you spin the spinner, you have a 40% chance of landing on 1 30% chance of landing on 2 20% chance of landing on 3 10% chance of landing on 0 Create the probability distribution for the spinner using the table below. X P(X) a. Is it a valid probability distribution? Explain why yes or why no. b. Find the mean (or expected value). Explain in words what this represents