1. The problem statement, all variables and given/known data Gorilla in a ZOO did not eat whole day, and he is sad. In one moment three kids simultaniusly throw him banana. Probability that first kid is going to throw banana to gorilla is 0,7, second 0,6 and third 0,8. If one banana gets to the gorilla he will stodge with probability of 0,4, if two bannanas gets to him with 0,7 and if three, 0,9. Find probabilty that gorila will stodge and be happy 3. The attempt at a solution Well, i should try to solve this by making tree diagram. But i dont understand next. First i make first branch, But the formulation of problem is what causing me problems. What does one banana means. Does it means first kids banana, or one of all of those? And after i make tree diagram, and suppose it means one bannan = first kids bananna, should i just multiply all probabilities with coresponding and then sum them?