This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 16 Probability – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 16 Probability Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the probability of getting two heads when tossing two coins? A) 1/4. B) 1/2. C) 3/4. D) 1/8. Show Answer Correct Answer: A) 1/4. 2. One of your 11 tickets in a 20-ticket raffle will win. A) Impossible. B) Unlikely. C) Likely. D) Certain. Show Answer Correct Answer: C) Likely. 3. Every student in this class will score 100% in the next Mathematics exam. A) Unlikely. B) Impossible. C) Likely. D) Even chance. Show Answer Correct Answer: B) Impossible. 4. You create a table of all the possible die rolls from two dice. Is this experimental or theoretical probability? A) Experimental. B) Theoretical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Theoretical. 5. If you flip a coin three times, what is the probability of getting exactly two heads? A) 0.625. B) 0.25. C) 0.5. D) 0.375. Show Answer Correct Answer: D) 0.375. 6. A painter was carrying 7 pails of different colored paint and dropped 4 of them, making a big mess. How many combinations of colors could he have spilled? A) 35. B) 55. C) 25. D) 45. Show Answer Correct Answer: A) 35. 7. If a student guesses on a multiple-choice test with 4 options per question, what is the probability of guessing correctly? A) 0.1. B) 0.25. C) 0.75. D) 0.5. Show Answer Correct Answer: B) 0.25. 8. What is the probability of selecting a prime number from the numbers 1 to 20? A) 1/2. B) 2/5. C) 1/4. D) 4/10. Show Answer Correct Answer: B) 2/5. 9. You flip a coin 20 times and record the results. Is this experimental or theoretical probability? A) Experimental. B) Theoretical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Experimental. 10. What is the probability of NOT rolling a 3 or 5 on a six-sided die? A) 5/6. B) 4/6. C) 2/6. D) 3/6. Show Answer Correct Answer: B) 4/6. 11. Probability is a number that describes the ..... A) Percent of change. B) Relationship between two sets of data. C) Likelihood that an event will occur. D) Distance around a figure. Show Answer Correct Answer: C) Likelihood that an event will occur. 12. In a group of 80 students, 25 are girls. Then 10 boys leave the group.If a students is chosen at random from the group, state the probability that the student chosen is a boy. A) $\frac{5}{14}$. B) $\frac{9}{16}$. C) $\frac{9}{14}$. D) $\frac{7}{16}$. Show Answer Correct Answer: C) $\frac{9}{14}$. 13. A procedure that can be infinitely repeated and has a well-defined set of possible outcomes A) Experiment. B) Event. C) Outcome. D) None of the above. Show Answer Correct Answer: A) Experiment. 14. One outcome or collection of outcomes A) Fundamental counting principle. B) Simple event. C) Theoretical probability. D) Experimental probability. Show Answer Correct Answer: B) Simple event. 15. What do we call the single outcome of an experiment? A) Outcome. B) Experiment. C) Trial. D) Event. Show Answer Correct Answer: D) Event. 16. Investment is a probability method that can increase the profitability and success of a business A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. A single six-sided die is rolled. What is the probability of rolling a number greater than 4? A) 2/3. B) 1/6. C) 1/2. D) 1/3. Show Answer Correct Answer: D) 1/3. 18. 10 M&Ms are in a bag, 4 red, 2 blue, 1 green and 3 brown. What is the probability of pulling out a blue candy? A) 1. B) 1/5. C) 2/10. D) 3/10. Show Answer Correct Answer: B) 1/5. 19. Solve using combinations5 people were trying to be one of the first 3 callers to a radio station contest. How many different sets of people could have succeeded? A) 5. B) 10. C) 15. D) 20. Show Answer Correct Answer: B) 10. 20. Karla invested $ 1, 000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Karla earn in 15 years? A) $ 1, 584.62. B) $ 2, 651.39. C) $ 2, 706.86. D) $ 1, 825.10. Show Answer Correct Answer: C) $ 2, 706.86. 21. An event with a probability close to 1 is ..... A) Likely to happen. B) As likely as not to happen. C) Certain to happen. D) Unlikely to happen. Show Answer Correct Answer: A) Likely to happen. 22. A bag contains 6 green marbles, 6 orange marbles, 6 blue marbles and 13 pink marbles. What is the probability of drawing a pink marble followed by a green marble (without replacement)? A) 31/65. B) 78/961. C) 13/155. D) 19/61. Show Answer Correct Answer: C) 13/155. 23. If a member is randomly chosen, what is the probability that a member participates in athletics or band? A) 7/10. B) 13/30. C) 9/10. D) 5/6. Show Answer Correct Answer: D) 5/6. 24. Two friends A and B apply for a job in the same company. The chances of A getting selected is $\frac{2}{5}$ $\frac{4}{7}$ A) $\frac{8}{35}$. B) $\frac{34}{35}$. C) $\frac{27}{35}$. D) None of these. Show Answer Correct Answer: A) $\frac{8}{35}$. 25. Which concepts about Artificial Intelligence (AI) must be taught to learners?1.AI can enhance or optimize creativity but cannot create2.AI is a great creative tool for scientists, musicians, and writers3.Learners must understand that AI cannot replace workers in creative jobs but can handle routine tasks A) 1 and 2. B) 1, 2, and 3. C) 2 and 3. D) 1 and 3. Show Answer Correct Answer: B) 1, 2, and 3. 26. An event in the probability that will never be happened is called as ..... A) Certain to happen event. B) Possible event. C) Unsure event. D) Impossible event. Show Answer Correct Answer: D) Impossible event. 27. One gallon contains 8 pints. How many gallons are in 32 pints? A) 8. B) 16. C) 4. D) 2. E) 6. Show Answer Correct Answer: C) 4. 28. Given two independent events A and B such that P(A) = 0.3, P(B) = 0.6. Find P(neither A nor B) A) 0.28. B) 0.14. C) 0.25. D) 0.12. Show Answer Correct Answer: A) 0.28. 29. A classroom has 28 students. 11 of these students are boys. If a student is randomly chosen, what's the probability that the student will be a girl? Round A) About 57%. B) About 61%. C) About 39%. D) About 40%. Show Answer Correct Answer: B) About 61%. 30. What is the probability of rolling a 5 twice in a row on a six-sided number cube? A) 1/36. B) 1/18. C) 1/12. D) 1/6. Show Answer Correct Answer: A) 1/36. 31. There are 10 cards numbered from 1 to 10 in a box. A card is chosen at random from the box. Determine the number of possible outcomes of the event that the card chosen is a card with a prime number. A) 4. B) 6. C) 2. D) 5. Show Answer Correct Answer: A) 4. 32. Which of the following is NOT a possible probability answer? A) 29%. B) 8/10. C) -1.5. D) 0.487. Show Answer Correct Answer: C) -1.5. 33. Write the ratio £4 to £1.20 in its simplest form. A) 20:3. B) 3:20. C) 4:12. D) 5:2. E) 10:3. Show Answer Correct Answer: E) 10:3. 34. Two coins are tossed. What is the probability that both land on "heads" ? A) 1/5. B) 1/4. C) 1. D) 1/2. Show Answer Correct Answer: B) 1/4. 35. Which of the following probabilities would you say is "about as likely as not" ? A) 0.2. B) 0.9. C) 0.51. D) 0.01. Show Answer Correct Answer: C) 0.51. 36. The mean of the numbers obtained on throwing a die having written 1 on three faces, 2 on two faces and 5 on one face is A) 5. B) $\frac{8}{3}$. C) 1. D) 2. Show Answer Correct Answer: D) 2. 37. Tickets numbered 1 to 21 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5? A) 1/2. B) 10/21. C) 9/20. D) None of these. Show Answer Correct Answer: B) 10/21. 38. The second section of Mathematics paper contains 7 questions and a candidate must answer any 4 questions. In how many ways can the 4 questions be chosen (without regard to order)? A) 35. B) 45. C) 25. D) 55. Show Answer Correct Answer: A) 35. 39. Find the square of the binomial:$(3x + 4)^2$ A) $9x^2-12x + 16$. B) $9x^2 + 12x + 16$. C) $9x^2 + 24x + 16$. D) $9x^2-24x + 16$. Show Answer Correct Answer: C) $9x^2 + 24x + 16$. 40. A card is drawn at random from a standard deck of 52 playing cards. What is the probability that the card is a queen or a king? A) 1/6. B) 2/13. C) 1/13. D) 1/26. Show Answer Correct Answer: B) 2/13. 41. What is the probability that you will pick a red ball from a box with 3 brown, 2 red, 1 white, and 4 green balls? A) 50%. B) 25%. C) 80%. D) 20%. Show Answer Correct Answer: D) 20%. 42. Evaluate$_{93}$ C $_{93}$ * $_{41}$ C $_{39}$ A) 1. B) 720. C) 0. D) 820. Show Answer Correct Answer: D) 820. 43. Which of the following probabilities would you say is "unlikely" ? A) 0.2. B) 0.9. C) 0.01. D) 0.51. Show Answer Correct Answer: A) 0.2. 44. The middle value of an ordered list is called the: A) Median. B) Majority. C) Mode. D) Average. E) Mean. Show Answer Correct Answer: A) Median. 45. A spinner has a 1/5 chance of landing on green. How many times is this event likely to occur if you repeat the trial 85 times? A) 37. B) 42.5. C) 68. D) 17. Show Answer Correct Answer: D) 17. 46. A ..... contains all possible outcomes of the experiment. A) Sample space. B) Possibility. C) Probability. D) None of the above. Show Answer Correct Answer: A) Sample space. 47. How many possible outcomes are there if 6 coins are tossed? A) 25. B) 49. C) 32. D) 81. E) 64. Show Answer Correct Answer: E) 64. 48. Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the probability he randomly chooses will be red? A) 5/8. B) 1/10. C) 1/2. D) 1/5. Show Answer Correct Answer: C) 1/2. 49. To make rational decisions it is important that we have sound knowledge of probability theory A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. Seven cards labelled with the letters "B, A, H, A, G, I, A" are put in a box. A card is chosen at random.L is the event of getting a vowelM is the event of getting a consonantN is the event of getting a letter "B"Calculate the probability of combined event L or N to occur. A) $\frac{31}{49}$. B) $\frac{18}{49}$. C) $\frac{2}{7}$. D) $\frac{5}{7}$. Show Answer Correct Answer: D) $\frac{5}{7}$. 51. Cindy owns 7 t-shirts, 2 of which are gray. If Cindy randomly selects a t-shirt to wear, what is the probability it will be gray? A) 2/7. B) 7/7. C) 5/7. D) 1/7. Show Answer Correct Answer: A) 2/7. 52. What is the probability of flipping a fair coin and getting heads three times in a row? A) 1/16. B) 1/2. C) 1/4. D) 1/8. Show Answer Correct Answer: D) 1/8. 53. 78 is what percent of 450? A) .17. B) 18%. C) 17%. D) 5%. Show Answer Correct Answer: C) 17%. 54. The probability that a team wins the district championship is 20%. What are the odds in favor of the team winning? A) 4:1. B) 5:1. C) 1:5. D) 1:4. Show Answer Correct Answer: D) 1:4. 55. An event has a 75% chance of happening. This event is ..... A) Certain. B) Impossible. C) Likely. D) Unlikely. Show Answer Correct Answer: C) Likely. 56. Dua buah dadu dilempar sekaligus. Peluang muncul mata dadu berjumlah lebih dari 5 dan kelipatan 3 adalah ..... A) 15/36. B) 13/16. C) 10/36. D) 12/36. E) 15/16. Show Answer Correct Answer: C) 10/36. 57. What is the type of probability for:rolling a 3 on a number cube and then flipping heads on a coin? A) Dependent. B) Independent. C) All the above. D) None of the above. Show Answer Correct Answer: B) Independent. 58. In a bag, I have 5 green counters, 7 blue counters and 3 yellow counters. What is the probability of picking a blue or yellow counter? A) 7/15. B) 3/15. C) 10/15. D) 10/5. Show Answer Correct Answer: C) 10/15. 59. Given:S = (1, 2, 3, 4, 5) and event A = {1, 3, 5). What is the complement of A (A')? A) A' = {4, 5}. B) A' = {1, 2, 3}. C) A' = {2, 4}. D) A'= { }. Show Answer Correct Answer: C) A' = {2, 4}. 60. Evaluate $f(-3)+g(-1)$ $f(x)=|x-1|$ $g(x) = x^2-4$ A) 0. B) 1. C) 6. D) 4. Show Answer Correct Answer: B) 1. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Mathematics Chapter 16 Probability Quiz 1Class 11 Mathematics Chapter 16 Probability Quiz 2Class 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books