This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 16 Probability – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 16 Probability Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In a bag of red and blue marbles, the probability of picking a red marble is 1/5. If there are 15 blue marbles, how many red marbles are there? A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: A) 3. 2. Each of the seven congruent sectors of a spinner is labeled with the letters A-G. Find the probability that the spinner stops at consonants if it is spin twice? A) 5/7. B) 10/49. C) 15/49. D) 25/49. Show Answer Correct Answer: D) 25/49. 3. Decision making in business involves uncertainity A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. What is the probability of getting two heads when tossing two coins? A) 1/8. B) 1/2. C) 1/4. D) 3/4. Show Answer Correct Answer: C) 1/4. 5. 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. 6. Every student in this class will score 100% in the next Mathematics exam. A) Even chance. B) Impossible. C) Unlikely. D) Likely. Show Answer Correct Answer: B) Impossible. 7. 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. 8. If you flip a coin three times, what is the probability of getting exactly two heads? A) 0.625. B) 0.5. C) 0.25. D) 0.375. Show Answer Correct Answer: D) 0.375. 9. 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) 25. B) 35. C) 45. D) 55. Show Answer Correct Answer: B) 35. 10. If a student guesses on a multiple-choice test with 4 options per question, what is the probability of guessing correctly? A) 0.5. B) 0.25. C) 0.1. D) 0.75. Show Answer Correct Answer: B) 0.25. 11. What is the probability of selecting a prime number from the numbers 1 to 20? A) 1/4. B) 2/5. C) 1/2. D) 4/10. Show Answer Correct Answer: B) 2/5. 12. 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. 13. What is the probability of NOT rolling a 3 or 5 on a six-sided die? A) 4/6. B) 3/6. C) 2/6. D) 5/6. Show Answer Correct Answer: A) 4/6. 14. Probability is a number that describes the ..... A) Relationship between two sets of data. B) Percent of change. C) Distance around a figure. D) Likelihood that an event will occur. Show Answer Correct Answer: D) Likelihood that an event will occur. 15. 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) $\frac{7}{16}$. C) $\frac{9}{16}$. D) $\frac{9}{14}$. Show Answer Correct Answer: D) $\frac{9}{14}$. 16. 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. 17. One outcome or collection of outcomes A) Simple event. B) Experimental probability. C) Theoretical probability. D) Fundamental counting principle. Show Answer Correct Answer: A) Simple event. 18. What do we call the single outcome of an experiment? A) Experiment. B) Event. C) Trial. D) Outcome. Show Answer Correct Answer: B) Event. 19. 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. 20. A single six-sided die is rolled. What is the probability of rolling a number greater than 4? A) 1/6. B) 1/3. C) 1/2. D) 2/3. Show Answer Correct Answer: B) 1/3. 21. 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) 2/10. C) 1/5. D) 3/10. Show Answer Correct Answer: C) 1/5. 22. 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) 10. B) 15. C) 20. D) 5. Show Answer Correct Answer: A) 10. 23. 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. 24. An event with a probability close to 1 is ..... A) Certain to happen. B) Unlikely to happen. C) As likely as not to happen. D) Likely to happen. Show Answer Correct Answer: D) Likely to happen. 25. 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) 19/61. B) 78/961. C) 13/155. D) 31/65. Show Answer Correct Answer: C) 13/155. ← PreviousNext →Related 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 8Class 11 Mathematics Chapter 16 Probability Quiz 9Class 11 Mathematics Chapter 16 Probability Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books