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## Probability1. If there are 3 starters, 2 main courses and 3 desserts on a menu, how many combinations of starter, main course and dessert are possible?8, 15, 9, 18 2. If I throw a dice and toss a coin, how many possible outcomes should I enter in my sample space? 12, 10, 8, 20 3. If I toss a coin and roll a dice what is the probability my outcome will include a 4? 1/2, 1/3, 1/16, 2/12 4. If I toss a coin and roll a dice, what is the probability that my result will include an odd number? 3/12, 1/2, 5/12, 9/12 5. If I toss a coin and roll a dice, what is the probability that my result will contain a number higher than 4? 4/12 or 1/3, 8/12 or 2/3, 6/12 or 1/2, 2/12 or 1/6 6. If I toss a coin and roll a dice what is the probability that my outcome will include a tail AND and even number? 1/5, 2/12 online learning games , 1/4, 4/12 7. If I roll a dice and spin a spinner numbered 1-4, how many possible outcomes are there? 6, 12, 24, 18 8. If I roll a dice and spin a spinner marked 1-4, what is the probability that my TOTAL score will be 8? (Draw a sample space in your book first) 3/24 = 1/8, 2/24 or 1/12, 12/24 or 1/2, 4/24 or 1/6 9. If I roll a dice and spin a spinner marked 1-4, what is the probability that my TOTAL score will be lower than 7? 12/24 = 1/2, 16/24 = 2/3, 14/24 = 7/12, 6/24 = 1/4 10. If I roll a dice and spin a spinner marked 1-4, which 3 numbers have the highest probability of occuring? 5, 6 and 8, 4, 5 and 6, 6, 7 and 8, 5, 6 and 7 11. If I roll a dice and spin a spinner marked 1-4, which 2 numbers have the lowest probability of occuring? 2 and 3, 9 and 10, 2 and 10, 3 and 9 12. I have a bag with coloured counters. There are 3 blues, 2 yellows and 5 greens. What is the probability of selecting a green? 1/3, 1/2, 1/4, 1/5 13. I have a bag of coloured counters. There are 3 blues, 2 yellows and 5 greens. What is the probability of selecting NOT yellow? 4/5, 2/5, 1/2, 1/5 14. I have a bag of coloured counters. There are 3 blues, 2 yellows and 5 greens. What is the probability of selecting red? 3/8, 2/5, 5/10, 0 15. I have a bag of coloured counters. There are 3 blues, 2 yellows and 5 greens. What is the probability of selecting yellow or green? 7/10 computer assisted language learning , 4/5, 1/2, 2/3 16. I have a bag of sweets. 24 cola bottles, 15 jelly bean and 11 flying saucers. What is the probability of selecting a jelly bean? 1/2, 4/10, 3/10, 1/4 17. I have a bag of sweets. 24 cola bottles, 15 jelly bean and 11 flying saucers. What is the probability of selecting a bean or bottle? 26/50, 39/50, 1/3, 4/5 18. I have a bag of sweets. 24 cola bottles, 15 jelly bean and 11 flying saucers. What is the probability of NOT selecting jelly bean? 15/50, 11/50, 7/10, 4/5 19. I have a bag of sweets: 10 lollies and 3 gobstoppers. I choose a lolly and then offer the bag to my friend. What is the probability my friend chooses a gobstopper? 1/2, 1/4, 3/13, 2/13 |