This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Probability Models – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Probability Models Quiz 5 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. There are four groups left to present their final projects. The groups are listed alphabetically from Group A to Group D. The teacher will choose one group at random to present their project. List all the outcomes in this sample space for this action. A) Group A, Group B, Group C, Group D. B) Student A, Student B, Student C, Student D. C) Student A and Student D. D) Group A and Group D. Show Answer Correct Answer: A) Group A, Group B, Group C, Group D. 2. How would you describe the probability of something that has a probability of 1? A) Certain. B) Unlikely. C) Likely. D) Impossible. Show Answer Correct Answer: A) Certain. 3. What is the probability of flipping a fair coin and getting heads A) 0.5. B) 0. C) 1. D) 0.25. Show Answer Correct Answer: A) 0.5. 4. A bag contains 3 red balls, 2 blue balls, and 5 green balls. If a ball is drawn at random, what is the probability that it is red? A) $\frac{3}{10}$. B) $\frac{1}{2}$. C) $\frac{3}{5}$. D) $\frac{1}{5}$. Show Answer Correct Answer: A) $\frac{3}{10}$. 5. If the probability that a house in your neighborhood has a dog is 60%, what is the chance that you find a house with a dog before the fifth house? A) 0.04. B) 0.97. C) 0.02. D) 0.99. Show Answer Correct Answer: B) 0.97. 6. Which of the following is an example of a non-uniform probability model? A) Tossing a balanced coin. B) Rolling a fair die. C) Spinning a perfectly balanced spinner. D) Drawing marbles from a bag where marbles outnumber blue. Show Answer Correct Answer: D) Drawing marbles from a bag where marbles outnumber blue. 7. You roll two die.What is the probability you will roll a 4, then roll a number less than 3? A) 1/6. B) 1/18. C) 1/9. D) 1/36. Show Answer Correct Answer: B) 1/18. 8. A test has 5 multiple-choice questions and each question has 2 possible answers (A or B). Which simulation would you use? A) Draw from a bag containing 5 red and 2 yellow blocks. B) Spin a spinner with 5 parts, 2 times. C) Flip a coin 5 times. D) Roll a die 5 times. Show Answer Correct Answer: C) Flip a coin 5 times. 9. A model says a die is fair. You roll it 60 times and get the number 3 a total of 20 times. Is this result consistent with the model? A) No, because 20 is much higher than expected. B) No, because 3 is a lucky number.TagsCCSS.HSS.IC.A.2. C) Yes, because the die is fair. D) Yes, because 20 is close to the expected value. Show Answer Correct Answer: A) No, because 20 is much higher than expected. 10. Permutation, combination, or neither?The batting order for seven players on a 12 person team. A) Permutation. B) Neither. C) Arithmetic. D) Combination. Show Answer Correct Answer: A) Permutation. 11. Of the 12 frozen chickens, how many would you expect to contain enough salmonella bacteria to cause illness if improperly cooked? What is the standard deviation? A) Mean = 3.33 St. Dev. = 2.79. B) Mean = 3.6 St. Dev. = 2.79. C) Mean = 3.6 St. Dev. = 1.59. D) Mean = 3.33 St. Dev. = 1.59. Show Answer Correct Answer: C) Mean = 3.6 St. Dev. = 1.59. 12. Find the probability of achieving success with the event:Drawing a spade from a deck of cards. A) 1/52. B) 1/4. C) 1/2. D) 1/13. Show Answer Correct Answer: B) 1/4. 13. In a certain town, 75% of all drivers are insured. What is the expected number of insured drivers present in a group of 200 randomly selected townspeople? A) 175. B) 75. C) 125. D) 150. Show Answer Correct Answer: D) 150. 14. If a spinner has 10 equal sections and the number 3 is in one of them, what is the theoretical probability of spinning a 3? A) 1/2. B) 1/5. C) 1/20. D) 1/10. Show Answer Correct Answer: D) 1/10. 15. The cafeteria is serving three kinds of sandwiches:tuna (T), chicken, (C), and peanut butter (P). They are also serving a choice of two drinks:milk (M) or water (W). Which shows the complete set of possible combinations? A) TW, TM, CW, CM, PW, PM. B) TW, CW, PW. C) TCP, MW. D) TW, TM, TC, CW, PW. Show Answer Correct Answer: A) TW, TM, CW, CM, PW, PM. 16. The mayor of Opa-Locka wants to find the probability that families with three children all have girls. Which simulation would best model this situation? A) A spinning wheel with three colors, spun twice. B) Three coins tossed 10 times. C) A numbered cube rolled 3 times. D) A random number generator generating numbers from 1 to 10, pressed twice. Show Answer Correct Answer: B) Three coins tossed 10 times. 17. In 2010, an Angus Reid Public Opinion poll found that 56% of all Canadians admit to regularly swearing when they converse with friends (46% for Americans). A researcher plans to select a random sample of 200 Canadians from Montreal to further survey them about this topic. Use a Normal model to find the probability that at least 120 Canadians in their sample admit to swearing with their friends. A) 0.0299. B) .01426. C) 0.1272. D) 0.0005. Show Answer Correct Answer: C) 0.1272. 18. A data set is approximately normally distributed. About what percentage of the data lies within one standard deviation of the mean? A) 34%. B) 95%. C) 68%. D) 50%. Show Answer Correct Answer: C) 68%. 19. You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads? A) 3/9. B) 5/6. C) 3/6. D) 1/9. Show Answer Correct Answer: D) 1/9. 20. True or False:Probability Models have two items:(1) Sample Space and (2) The events within the sample space and their probabilities. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. If a bag has 3 red, 2 green, and 5 blue marbles, what is the probability of drawing a red? A) 1/3. B) 3/5. C) 1/2. D) 3/10. Show Answer Correct Answer: D) 3/10. 22. What does the (1-p) stand for in the binomial probability formula? A) Number of trials. B) Number of Successes. C) Probability of Failures. D) Probability of Successes. Show Answer Correct Answer: C) Probability of Failures. 23. What is the probability of drawing a heart from a standard deck of 52 cards? A) 1/13 or 0.08. B) 1/52 or 0.019. C) 1/4 or 0.25. D) 1/2 or 0.5. Show Answer Correct Answer: C) 1/4 or 0.25. 24. Decide whether a binomial model applies and explain why or why not. Counting the number of red gummy bears you get as you take them one at a time from a small bag. A) Yes, a binomial model applies. B) No, there are more than two outcomes. C) No, the trials are not independent, the probability of success changes after each trial. D) None of the above. Show Answer Correct Answer: C) No, the trials are not independent, the probability of success changes after each trial. 25. If a spinner has 5 sections and one section is labeled 'D', what is the probability of not landing on 'D'? A) 5/6. B) 4/5. C) 1/5. D) 3/5. Show Answer Correct Answer: B) 4/5. 26. If the probability of an event is 0.25, what is the probability of the event not occurring? A) 0.25. B) 0.50. C) 0.10. D) 0.75. Show Answer Correct Answer: D) 0.75. 27. A factory inspects 20 light bulbs. Each bulb is either defective or not defective, and each inspection is independent. Which probability model is most appropriate? A) Experimental probability. B) Binomial model. C) Normal distribution. D) Geometric probability. Show Answer Correct Answer: B) Binomial model. 28. If you roll a dice 100 times, how many times do you expect it to roll a 1 or 2? A) 66 times. B) 50 times. C) 25 times. D) 33 times. Show Answer Correct Answer: D) 33 times. 29. Simulation tools help to eliminate ..... from decision-making so that each event is equally likely to occur. A) Randomization. B) Blocking. C) Bias. D) Fairness. Show Answer Correct Answer: C) Bias. 30. A certain brand of TV has a 50% chance of being defective. Which model could be used to determine the probability that when a TV is chosen, it will be defective? A) Spin a spinner with 50 equal sections. B) Draw from a bag containing 3 red marbles and 2 green marbles. C) Flip a coin. D) Roll a die. Show Answer Correct Answer: C) Flip a coin. ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesProbability Models Quiz 1Probability Models Quiz 2Probability Models Quiz 3Probability Models Quiz 4Probability Models Quiz 6Probability Models Quiz 7Probability Models Quiz 8Case Marking Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books