Answer Happy

Name MAT 155 FINAL Module 1: Probability and Statistics 1. A slot machine with three reels picturing food is used in a fast-food restaurant promotion. Each reel has 20 pictures. If you spin 3 hamburger pictures, then you win a free hamburger. (1 pt/each) Reel 2 Reel 3 Picture Reel 1 2 1 2 7 2 6 logo 2 7 3 2 8 4 US 7 2 0 0 0 5 Answer the following questions. Leave fraction answers in fraction form (no need to simplify and NO decimals). a) How many elements are there in the sample space? i.e. find the total number of outcomes. outcomes b) What is the probability of getting a hamburger on reel 1? Answer: c) What is the probability of getting a hamburger on reel 2? Answer: d) What is the probability of getting a hamburger on reel 3? Answer:

e) What is the probability of getting 3 hamburgers and winning a free hamburger? Answers What is the probability of NOT winning a free hamburger? Answer: ) What are the odds in favor of winning a hamburger? Answer: h) Given that reel 1 stopped on a hamburger, what is the probability of winning a free hamburger? Answer: Given that reels 1 and 2 stopped on a hamburger, what is the probability of winning a hamburger? Answer The fast-food restaurant wants to create excitement for the promotion and gives away a small drink if exactly one of the reels displays a hamburger. What is the probability of winning a small drink? Answer: k) The fast-food restaurant wants to create excitement for the promotion and gives away a small fry if exactly two of the reels display a hamburger. What is the probability of winning a small fry? Answer ) What is the probability of the same food picture on all 3 reels ? Answer: