This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Probability Models – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Probability Models Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a dice is rolled 300 times, how many times would you predict a roll of a 1 or a 6? A) 50. B) 75. C) 100. D) 150. Show Answer Correct Answer: C) 100. 2. What is the theoretical probability of an event? A) Theoretical probability is the ratio of the number of favorable outcomes to the total number of possible outcomes. B) Theoretical probability is calculated by dividing the number of unfavorable outcomes by the total outcomes. C) Theoretical probability is the same as experimental probability. D) Theoretical probability is the likelihood of an event occurring based on past data. Show Answer Correct Answer: A) Theoretical probability is the ratio of the number of favorable outcomes to the total number of possible outcomes. 3. A survey is sent to 250 people, and 62 people respond. If one of the 250 people is selected at random, what is the probability that the person responded? A) 0.625. B) 0.248. C) 0.12. D) 1.00. Show Answer Correct Answer: B) 0.248. 4. A marksman has 80% accuracy hitting targets at 1, 000 yards. Find the probability that she will miss exactly 2 of her next 30 shots? A) 0.7373. B) 0.1369. C) 0.4096. D) 0.0337. Show Answer Correct Answer: D) 0.0337. 5. On a game show, players roll two standard cubes. The sum of the number cubes times 100 determines the number of points they will win. What is the probability of winning at least 900 points? A) 7/36. B) 1/9. C) 5/18. D) 5/36. Show Answer Correct Answer: C) 5/18. 6. The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Ricardo selects a coin at random from a bag containing quarters, dimes, nickels, and pennies. He records the type of coin he selects and returned the coin to the bag. In 20 trials, he selects a quarter 1 time and a dime 4 times.Based on his results, how many times is Ricardo expected to select a coin with a value of at least 10 cents in the next 60 trials? A) 3. B) 12. C) 6. D) 15. Show Answer Correct Answer: D) 15. 8. Bailey tossed a coin 10 times. The results were 7 heads and 3 tails. What is the experimental probability of tossing tails? A) 1/3. B) 3/10. C) 3/7. D) 1/2. Show Answer Correct Answer: B) 3/10. 9. A bag contains 5 red marbles and 5 blue marbles. You draw one marble, record its color, and then put it back before drawing again. What is the probability of drawing a red marble both times? A) $\frac{1}{4}$. B) $\frac{1}{5}$. C) $\frac{1}{2}$. D) $\frac{1}{10}$. Show Answer Correct Answer: A) $\frac{1}{4}$. 10. In a certain community, 30% of households have 1 child, 43% have 2 children, and 27% have 3 children. If a household is selected at random, what is the expected number of children in that household? HINT:A Probability table may be helpful. A) 2.00. B) 2.13. C) 1.97. D) 1.27. Show Answer Correct Answer: C) 1.97. 11. When a marble is drawn from a bag, there are 10 possible outcomes. The sample space, S = (W, W, W, W, S, S, S, S, B, B), where W represents a white marble, S represents a striped marble, and B represents a black marble.What is the probability of P(W)? A) 4/10. B) 6/10. C) 2/10. D) 5/10. Show Answer Correct Answer: A) 4/10. 12. The daily special at the House of Pies offers one of three featured pies and your choice of coffee, tea, milk or juice. How many ways can you order the special? A) 8. B) 15. C) 6. D) 12. Show Answer Correct Answer: D) 12. 13. What is the sample space for flipping a coin? A) {H, T, H, T}. B) {H, H}. C) {T, T}. D) {H, T}. Show Answer Correct Answer: D) {H, T}. 14. What is the probability of rolling a 3 or 4 on a fair six-sided die? A) 4/6. B) 2/6. C) 3/6. D) 1/6. Show Answer Correct Answer: B) 2/6. 15. Flipping fair coin A) Uniform. B) Non-Uniform. C) All the above. D) None of the above. Show Answer Correct Answer: A) Uniform. 16. 28% of all MPHS students believe Monday will be snow day. You take a sample of 50 students and find that 15 of them believe Monday will be a snow day. What does 50 represent? A) N. B) P. C) Phat. D) Standard deviation. Show Answer Correct Answer: A) N. 17. The likelihood of two or more related events occurring is called- A) Theoretical probability. B) Compound probability. C) Simple probability. D) Experimental probability. Show Answer Correct Answer: B) Compound probability. 18. Two dice are rolled. What is the probability that the sum of the numbers on the two dice is 7? A) $\frac{1}{6}$. B) $\frac{1}{12}$. C) $\frac{5}{36}$. D) $\frac{1}{36}$. Show Answer Correct Answer: A) $\frac{1}{6}$. 19. If two coins are flipped, what is the probability of getting one head and one tail? A) 1/4. B) 1/2. C) 2/3. D) 1/3. Show Answer Correct Answer: B) 1/2. 20. There are six marbles in a bag. Three are green and three are yellow. A) Uniform. B) Non-Uniform. C) All the above. D) None of the above. Show Answer Correct Answer: A) Uniform. 21. A school cafeteria offers 3 types of sandwiches and 2 types of drinks. If a student randomly selects one sandwich and one drink, how many possible meal combinations are there? A) 9TagsCCSS.HSS.IC.A.2. B) 3. C) 5. D) 6. Show Answer Correct Answer: D) 6. 22. If a coin is tossed 10 times and results in 7 heads and 3 tails, what is the experimental probability of getting tails? A) 3/10. B) 1/2. C) 1/3. D) 2/5. Show Answer Correct Answer: A) 3/10. 23. Classify:The time it takes for a light bulb to burn out. A) Discrete. B) Continuous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Continuous. 24. 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 sample space of possible combinations? A) TCP, MW. B) TW, TM, CW, CM, PW, PM. C) TW, TM, TC, CW, PW. D) TW, CW, PW. Show Answer Correct Answer: B) TW, TM, CW, CM, PW, PM. 25. Of Americans live below the poverty level. You plan to sample a random 100 Americans. What is the probability that you find fewer than 10? A) 0.26. B) 0.09. C) 0.17. D) None of the above. Show Answer Correct Answer: C) 0.17. 26. 2 out of 3 dentists prefer Colgate brand toothpaste. How many dentists would you expect to find that like Colgate toothpaste out of 350 dentist? A) 235. B) 117. C) 175. D) None of the above. Show Answer Correct Answer: A) 235. 27. If you draw a card from a deck, replace it, and draw again, are the two draws independent? A) Yes. B) NoTagsCCSS.HSS.IC.A.2. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 28. A sports bag contains 3 tennis balls, 4 baseballs, and 8 golf balls. Each is equally likely to be chosen. Which of the following models could be used to simulate this situation? A) Flipping a coin fifteen times. B) Spinning a spinner with three equal sections. C) Choosing from 3 red marbles, 4 yellow marbles, and 8 blue marbles. D) Rolling a number cube labeled one through six fifteen times. Show Answer Correct Answer: C) Choosing from 3 red marbles, 4 yellow marbles, and 8 blue marbles. 29. If an event has a probability of 0, what does that mean? A) It means that the event is impossible and will not occur. B) It means that the event is very likely to occur. C) It means that the event will occur with certainty. D) It means that the event is equally likely to occur or not occur. Show Answer Correct Answer: A) It means that the event is impossible and will not occur. 30. According to the Census Bureau report, 12.7% of Americans live below the poverty level. You plan to sample 25 Americans. What is the probability that at least 2 people will be below the poverty level? A) 84%. B) 3%. C) 37%. D) None of the above. Show Answer Correct Answer: A) 84%. ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesProbability Models Quiz 1Probability Models Quiz 3Probability Models Quiz 4Probability Models Quiz 5Probability Models Quiz 6Probability Models Quiz 7Probability Models Quiz 8Case Marking Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books