This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 16 Probability – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 16 Probability Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A jar contains 12 marbles:2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue? A) 1/2. B) 1/6. C) 1/3. D) 5/6. Show Answer Correct Answer: D) 5/6. 2. What is the probability of drawing a black ace when drawing a card at random from a deck of 52 playing cards? A) 1/50. B) 2/39. C) 1/26. D) 1/13. Show Answer Correct Answer: C) 1/26. 3. Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? A) .008. B) .0593. C) 27/40. D) 1.48. Show Answer Correct Answer: C) 27/40. 4. Marcus visited his garden once each week for 4 weeks. Each week, his visit lasted 1.5 times longer than the previous week. On the fourth week, he stayed for 135 minutes. How long was his first visit? A) 74 minutes. B) 40 minutes. C) 45 minutes. D) 60 minutes. Show Answer Correct Answer: B) 40 minutes. 5. In which method, probability is defined as the proportion of times an event occurs in a large number of trails? A) Classical technique. B) Relative frequency technique. C) Subjective approach. D) None of the above. Show Answer Correct Answer: B) Relative frequency technique. 6. Use the following words to describe the chance of the event occurring.You roll a die and it does not land on 4 A) Certain. B) Even Chance. C) Impossible. D) Likely. Show Answer Correct Answer: D) Likely. 7. What percent of 75 is 30? A) 40%. B) 60%. C) 50%. D) 55%. Show Answer Correct Answer: A) 40%. 8. You deposit $ 1600 in an account. The account earns $ 300 simple interest in 6 years. What is the annual interest rate? Annual interest rate: ..... % A) 3%. B) 2.5%. C) 2.75%. D) 3.125%. Show Answer Correct Answer: D) 3.125%. 9. The probability of a New York teenager owning a skateboard is 0.37, of owning a bicycle is 0.81, and of owning both is 0.36. If a New York teenager is chosen at random, what is the probability that he/she owns a skateboard or a bicycle? A) 0.37. B) 0.82. C) 1.18. D) 0.36. Show Answer Correct Answer: B) 0.82. 10. What is the probability of rolling a 2 on a fair die? A) 1/2. B) 1/4. C) 1/3. D) 1/6. Show Answer Correct Answer: D) 1/6. 11. Semi-Annually means how many times a year? A) 6. B) 1. C) 4. D) 2. Show Answer Correct Answer: D) 2. 12. How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes? A) 15. B) 80. C) 40. D) 10. Show Answer Correct Answer: B) 80. 13. The probability that at least one of the events Q and R occur is 0.6. If Q and R have probability of occuring together as 0.2, thenP(Q') + P(R') =? A) 1.2. B) 0. C) 0.8. D) 0.4. Show Answer Correct Answer: A) 1.2. 14. What is the probability that you choose blue? simplify your fraction5 green6 yellow8 blue7 brown A) 8/26. B) 8/25. C) 1/3. D) 4/13. Show Answer Correct Answer: D) 4/13. 15. A bag contains 8 red, 5 blue, and 7 green marbles. What is the probability of drawing a red or green marble? A) 3/4. B) 1/2. C) 6/10. D) 12/20. Show Answer Correct Answer: A) 3/4. 16. Dalam sebuah kotak terdapat 5 bola merah, 7 bola putih, dan 4 bola hijau. Diambil dua bola sekaligus. Jika pengambilan dilakukan sebanyak 600 kali dengan pengembalian, frekuensi harapan terambil bola kedua-duanya hijau adalah ..... A) 450 kali. B) 30 kali. C) 225 kali. D) 150 kali. E) 200 kali. Show Answer Correct Answer: B) 30 kali. 17. When you roll a die with numbers 1 to 6, what is the chance that you will get an even number? A) 50%. B) 25%. C) 75%. D) 30%. Show Answer Correct Answer: A) 50%. 18. A study recorded the number of students in five classrooms:12, 18, 20, 15, 25. What is the median? A) 20. B) 18. C) 15. D) 17. E) 16. Show Answer Correct Answer: B) 18. 19. A result of an event that depends on the probability A) Outcome. B) Event. C) Probability. D) None of the above. Show Answer Correct Answer: A) Outcome. 20. A coin is tossed six times. What is the probability that all results are tails? A) 1/64. B) 1/14. C) 1/128. D) 1/7. Show Answer Correct Answer: A) 1/64. 21. What is the probability of drawing a heart from a standard deck of cards? A) 1/2. B) 1/3. C) 2/5. D) 1/4. Show Answer Correct Answer: D) 1/4. 22. The probability that a student plays basketball is 0.64. The probability that a student likes pizza is 0.35. What is the probability that a student selected at random plays basketball and likes pizza? Assume that the two events are independent. A) 0.422. B) 0.890. C) 0.124. D) 0.224. Show Answer Correct Answer: D) 0.224. 23. There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble? A) 1/22. B) 23/1. C) 22/23. D) 1/23. Show Answer Correct Answer: D) 1/23. 24. A fair cube is rolled and lands on 2. A) Unlikely. B) Certain. C) Likely. D) As likely as not. Show Answer Correct Answer: A) Unlikely. 25. A restaurant surveys customer orders with the following results:8 pizzas, 12 hamburgers, 4 Chicken fingers, and 6 steaks. What is the experimental probability of pizza being chose?P(Pizza) A) 4/15. B) 12/30. C) 4/30. D) 6/30. Show Answer Correct Answer: A) 4/15. 26. A number is selected at random from first 50 natural numbers. Then the probability that it is a multiple of 3 and 4 is: A) 4/25. B) 2/25. C) 7/50. D) 1/25. Show Answer Correct Answer: B) 2/25. 27. A jar contains 6 green, 4 yellow, and 5 orange marbles. What is the probability of drawing a green or orange marble? A) 5/8. B) 11/15. C) 3/5. D) 2/3. Show Answer Correct Answer: B) 11/15. 28. The ..... includes all possible outcomes. The total is 100% of outcomes. A) Sample space. B) Independent event. C) Biased event. D) Area model. Show Answer Correct Answer: A) Sample space. 29. Solve:6x + 4 = 2(x + 10) A) 3. B) 5. C) 1. D) 4. E) 2. Show Answer Correct Answer: D) 4. 30. On a bag there are 4 colored notebooks, does were Pink, Red, Blue, Green.What is the probability of grabbing the Pink notebook? A) 3/4. B) 2/4. C) 1/3. D) 1/4. Show Answer Correct Answer: D) 1/4. 31. A number is randomly selected from 0-10. What is the probability the number selected is greater than 5? A) 5/11. B) 1/2. C) 3/5. D) 2/5. Show Answer Correct Answer: A) 5/11. 32. 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 CORRECT Sample Space List of possible combinations? A) TW, TM, TC, CW, PW. B) TW, CW, PW. C) TCP, MW. D) TW, TM, CW, CM, PW, PM. Show Answer Correct Answer: D) TW, TM, CW, CM, PW, PM. 33. A schematic drawing of sets that demonstrates the relationship between two sets is called A) Venn Diagram. B) Intersection. C) Union. D) Probability Tree. Show Answer Correct Answer: A) Venn Diagram. 34. Probability of solving specific problem independently by A and B are $\frac{1}{2}$ $\frac{1}{3}$ A) $\frac{1}{2}$. B) $\frac{1}{3}$. C) $\frac{1}{4}$. D) $\frac{2}{3}$. Show Answer Correct Answer: D) $\frac{2}{3}$. 35. A school has five houses, A B, C, D and E. A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is A) 4/23. B) 8/23. C) 17/23. D) 6/23. Show Answer Correct Answer: D) 6/23. 36. Sample space is denoted by ..... A) S. B) Ss. C) S. D) SS. Show Answer Correct Answer: A) S. 37. What is the probability of drawing a Jack from a deck of cards, putting it aside, and then drawing another Jack? A) 1/221. B) 1/68. C) Other. D) None of the above. Show Answer Correct Answer: A) 1/221. 38. The probability of appointing Adam as the chairman of the Finance Club (F) and the head of the sports house (S) are $\frac{3}{5}$ $\frac{2}{9}$ A) $\frac{37}{72}$. B) $\frac{7}{24}$. C) $\frac{35}{72}$. D) $\frac{5}{36}$. Show Answer Correct Answer: C) $\frac{35}{72}$. 39. A box of oranges is inspected by examining three randomly selected oranges drawn without replacement. If all the three oranges are good, the box is approved for sale, otherwise, it is rejected. Find the probability that a box containing 15 oranges out of which 12 are good and 3 are bad ones will be approved for sale. A) $\frac{40}{91}$. B) $\frac{43}{91}$. C) $\frac{45}{91}$. D) $\frac{44}{91}$. Show Answer Correct Answer: D) $\frac{44}{91}$. 40. If a bag contains 3 red, 2 blue, and 5 green balls, what is the probability of drawing a blue ball? A) 1/4. B) 2/5. C) 1/5. D) 1/3. Show Answer Correct Answer: C) 1/5. 41. A game of chance consists of spinning an arrow which is equally likely to come to rest pointing to one of the number 1, 2, 3 ..... 12, then the probability that it will point to an odd number is: A) 1/2. B) 5/12. C) 1/6. D) 7/12. Show Answer Correct Answer: A) 1/2. 42. If a card is drawn from a standard deck of 52 cards, what is the probability of it being a heart? A) 1/5. B) 1/4. C) 1/2. D) 1/3. Show Answer Correct Answer: B) 1/4. 43. Probability is between which two numbers? A) 0 and 100. B) 0 and 50. C) 0 and 10. D) 0 and 1. Show Answer Correct Answer: D) 0 and 1. 44. King, Queen, Jack A) Outcome. B) Event. C) Probability. D) Experiment. E) Sample Space. Show Answer Correct Answer: E) Sample Space. 45. Earl Darenz is asked to choose a day from a week. What is the probability of choosing a day which starts with S. A) 2/3. B) 2/7. C) 1/7. D) 1/3. Show Answer Correct Answer: B) 2/7. 46. A coin is tossed and a number cube is rolled. Find the probability, P(heads and 7). A) 1/7. B) 0. C) 1/14. D) 1/2. Show Answer Correct Answer: C) 1/14. 47. A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are of same colour. A) 52/55. B) 3/55. C) 41/44. D) 3/44. Show Answer Correct Answer: D) 3/44. 48. Dalam supermarket terdapat 12 ibu-ibu dan 4 remaja yang sedang berbelanja. Dari 16 orang tersebut akan dipilih 2 orang secara acak untuk mendapatkan 2 undian berhadiah dengan setiap orang hanya berhak memperoleh 1 hadiah. Peluang kedua hadiah dimenangkan oleh ibu-ibu adalah ..... A) 1/15. B) 1/5. C) 11/20. D) 21/33. E) 15/64. Show Answer Correct Answer: C) 11/20. 49. Theoretical Probability is:number of outcomes favorable to that event/number of possible outcomes A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 50. Sound knowledge lost probability and probabilistic distributions helping help in developing probabilistic decision Model A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 51. In a class of 30 students, 18 are girls. What is the probability of randomly selecting a boy? A) 0.4. B) 0.6. C) 0.5. D) 0.3. Show Answer Correct Answer: A) 0.4. 52. Sam is fishing in a new pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. What is the probability that he caught a bluegill or a carp? Simplify. A) 5/16. B) 1/40. C) 1/8. D) 3/124. Show Answer Correct Answer: A) 5/16. 53. If you have a 60% chance of passing a test, what is the probability of failing? A) 70%. B) 30%. C) 50%. D) 40%. Show Answer Correct Answer: D) 40%. 54. You flip a coin two times. What is the probability that you will land on tails both times?(Hint:find all of your possibilities and see how many are TT) A) 1/4. B) 1/2. C) 3/4. D) None of the above. Show Answer Correct Answer: A) 1/4. 55. What is the sample space in throwing a dice . A) Truth, consequence. B) Black, white. C) 1, 2, 3, 4, 5, 6. D) Head, tail. Show Answer Correct Answer: C) 1, 2, 3, 4, 5, 6. 56. Mico rolls two dice at the same time. What is the probability that the sum of the two dice is equal to 7? A) 5/36. B) 6/36. C) 4/36. D) 3/36. Show Answer Correct Answer: B) 6/36. 57. Yasmine places 4 blue beads and seven red beads in bag. What is the probability she picks a blue bead, puts it to the side and selects another blue bead? A) 16/121. B) 12/121. C) 1/5. D) 6/55. Show Answer Correct Answer: D) 6/55. 58. A field of Mathematics that deals with chance. A) Algebra. B) Geometry. C) Probability. D) Trigonometry. Show Answer Correct Answer: C) Probability. 59. School curricula now embed strategies to address disasters. The most recent and unprecedented one is: A) COVID-19. B) Rising ocean water. C) HIV/AIDS. D) Melting of the polar ice caps. Show Answer Correct Answer: A) COVID-19. 60. Sebuah keranjang berisi 7 bola kuning dan 4 bola hijau, Enam bola diambil sekaligus secara acak. Peluang terambil 4 bola kuning dan 2 bola hijau adalah ..... A) 39/77. B) 28/77. C) 30/77. D) 42/77. E) 35/77. Show Answer Correct Answer: E) 35/77. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Mathematics Chapter 16 Probability Quiz 1Class 11 Mathematics Chapter 16 Probability Quiz 3Class 11 Mathematics Chapter 16 Probability Quiz 4Class 11 Mathematics Chapter 16 Probability Quiz 5Class 11 Mathematics Chapter 16 Probability Quiz 6Class 11 Mathematics Chapter 16 Probability Quiz 7Class 11 Mathematics Chapter 16 Probability Quiz 8Class 11 Mathematics Chapter 16 Probability Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books