This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 16 Probability – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 16 Probability Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Airline boarding passes are marked with red stars at random to decide which passengers should have their carry-on luggage inspected. A) Biased Sample. B) Unbiased Sample. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unbiased Sample. 2. In a lottery with 50 numbers, what is the probability of selecting the correct number if you choose one? A) 0.1. B) 0.03. C) 0.5. D) 0.02. Show Answer Correct Answer: D) 0.02. 3. Sebuah kotak berisi 10 manik-manik, 6 di antaranya berwarna merah dan 4 berwarna putih. Dari kotak tersebut, 3 manik-manik dipilih secara acak. Berapakah probabilitas terpilihnya 2 manik-manik merah dan 1 manik-manik putih? A) 1/30. B) 2/13. C) 2/3. D) 1/2. Show Answer Correct Answer: A) 1/30. 4. A wash towel getting wet after pouring water on it A) Impossible. B) Unlikely. C) Likely. D) Certain. Show Answer Correct Answer: D) Certain. 5. Two events such that each event affects the occurrence of the other are called? A) Dependent events. B) Inclusive Events. C) Independent events. D) Mutually Exclusive events. Show Answer Correct Answer: A) Dependent events. 6. There are 9 red, 5 yellow, and 7 green jellybeans in a jar. What is the probability of choosing a green jellybean, followed by a red jellybean? Solve, without replacement. A) 16/41. B) 1/7. C) 3/20. D) 20/27. Show Answer Correct Answer: C) 3/20. 7. A box contains nine bulbs out of which 4 are defective. If three bulbs are chosen at random, find the probability that all the three bulbs are defective? A) 1/84. B) 1/94. C) 1/72. D) None of these. Show Answer Correct Answer: A) 1/84. 8. If an event can occur with a probability of 3/8, we can say that it ..... A) Will always occur. B) Is likely to occur. C) Is less likely to occur. D) Cannot occur. Show Answer Correct Answer: C) Is less likely to occur. 9. Suppose that two cards are drawn at random from a deck of cards. Let X be the number of aces obtained. Then the value of E(X) is A) $\frac{2}{13}$. B) $\frac{5}{13}$. C) $\frac{37}{221}$. D) $\frac{1}{13}$. Show Answer Correct Answer: A) $\frac{2}{13}$. 10. You are at a pizza parlor that offers four toppings:anchovies, olives, pineapples, and sausage. How many different combinations of these items can you make if you choose four toppings? A) 0. B) 3. C) 1. D) 2. Show Answer Correct Answer: C) 1. 11. If three coins are tossed simultaneously, what is the probability of getting two heads together? A) 1/2. B) 3/8. C) 5/8. D) 1/8. Show Answer Correct Answer: B) 3/8. 12. The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing the letters "A" or "E" when drawing from the bowl? A) 2/7. B) 10/49. C) 3/7. D) 2/49. Show Answer Correct Answer: C) 3/7. 13. If event A and event B are independent, then which of the following is true? A) P(A) = P(B). B) P(A | B) = P(B). C) P(A | B) = P(A). D) P(A and B) = P(A) + P(B). Show Answer Correct Answer: C) P(A | B) = P(A). 14. Di dalam sebuah kotak terdapat sembilan bola yang diberi nomor 1 sampai dengan 9. Diambil tiga bola satu-persatu tanpa pengembalian. Peluang bola pertama genap, bola ke-2 ganjil, dan bola ke-3 genap adalah ..... A) 6/41. B) 8/252. C) 5/42. D) 7/252. E) 9/42. Show Answer Correct Answer: C) 5/42. 15. Tiga koin dilempar secara bersamaan. Hitung peluang mendapatkan tiga gambar A) 2/30. B) 1/6. C) 2/8. D) 1/30. E) 1/8. Show Answer Correct Answer: E) 1/8. 16. Which solution is the answer to the equation 17 + n = 24 A) 6. B) 7. C) 8. D) None of the above. Show Answer Correct Answer: B) 7. 17. Dustin plays soccer for his middle school. This season, he has attempted to score on 39 shots and been successful on 19. Which shows the probability of shots he made? A) 19/39. B) 20/39. C) 19/58. D) 39/19. Show Answer Correct Answer: A) 19/39. 18. Cards each marked with one of the numbers 4, 5, 6 ..... , ..... 20 are placed in a box and mixed thoroughly. One card is drawn at random from the box. What is the probability of getting an even number? A) $\frac{9}{17}$. B) $\frac{8}{17}$. C) $\frac{9}{17}$. D) $\frac{10}{17}$. Show Answer Correct Answer: A) $\frac{9}{17}$. 19. You flip 3 coins. What is the probability that all three come up heads? A) 7/8. B) 3/8. C) 1/8. D) 1/3. Show Answer Correct Answer: C) 1/8. 20. A bag has 3 red marbles, 2 blue and 4 yellow. What is the probability of pulling a red? (Reduce the fraction!) A) 1/9. B) 1/3. C) 3/10. D) 2/9. Show Answer Correct Answer: B) 1/3. 21. Tossing of coin is an A) Complementary event. B) Dependent event. C) Manually exclusive event. D) Independent event. Show Answer Correct Answer: D) Independent event. 22. How would you describe the likelihood of the event, given that P(event)=0.65? A) Very likely. B) Somewhat likely. C) Unlikely. D) Less than likely. Show Answer Correct Answer: B) Somewhat likely. 23. Random Variation A) Differences in a dependent variable that are due to chance rather than to the factors being studied. B) Consistent differences in a dependent variable caused by experimental manipulation. C) Variations that can be controlled and predicted in an experiment. D) Random errors that affect the reliability of the data. Show Answer Correct Answer: A) Differences in a dependent variable that are due to chance rather than to the factors being studied. 24. When a fair die is rolled, what is the probability that a 3 or a 4 comes out? A) 1/4. B) 1/6. C) 1/2. D) 1/3. Show Answer Correct Answer: D) 1/3. 25. A jar of marbles contains 3 red marbles, 2 orange marbles, 3 green marbles, and 4 blue marbles. One marble is chosen at random. List the favorable outcomes for choosing a blue or orange marble? A) Orange, orange, blue, blue, blue, blue. B) Blue, blue, blue, orange, orange. C) Blue, orange. D) 5. Show Answer Correct Answer: A) Orange, orange, blue, blue, blue, blue. 26. The numbers 1 to 20 are each written on a card. The 20 cards are mixed together. Find the probability that the number on the the card is a factor of 24 A) 1/20. B) 7/20. C) 5/20. D) 1/2. Show Answer Correct Answer: B) 7/20. 27. Which of the following terms means the measure of the likelihood of an event to occur? A) Event. B) Even chance. C) Probability. D) Range. Show Answer Correct Answer: C) Probability. 28. Experimental Probability A) The chance of an event occurring in a single trial. B) The ratio of the number of times an event occurs to the total number of trials or times the activity is performed. C) The probability of an event based on historical data only. D) The likelihood of an event occurring based on theoretical calculations. Show Answer Correct Answer: B) The ratio of the number of times an event occurs to the total number of trials or times the activity is performed. 29. A group of 7 friends are in line for a roller coaster at an amusement park. When they get to the ride, they realize that there is only room for 4 of them to sit together, side by side, in the same section of the roller coaster. How many ways can they arrange themselves on the roller coaster at one time if someone sits in every available seat? A) 35. B) 5040. C) 28. D) 840. Show Answer Correct Answer: D) 840. 30. All the jacks, queens and kings are removed from a deck of 52 playing cards. The remaining cards are well shuffled and then one card is drawn at random. Giving ace a value 1, similar value for other cards, find the probability that the card has a value greater than 7 A) 1/10. B) 1/2. C) 3/10. D) 1/10. Show Answer Correct Answer: C) 3/10. 31. You have the numbers 1-25 written on slips of paper. If you choose one slip at random, what is the probability that you will select a number that divisible by 4? A) 6/25. B) 2/3. C) 4/25. D) 1/5. Show Answer Correct Answer: A) 6/25. 32. If a card is selected from a deck of 52 cards, then the probability of its being a red face card is A) 1/2. B) 3/26. C) 2/13. D) 3/13. Show Answer Correct Answer: B) 3/26. 33. Hitunglah permutasi berikut ini $p^4_2$ A) 23. B) 22. C) 12. D) 33. E) 35. Show Answer Correct Answer: C) 12. 34. Rotating a wheel of names A) Experiment. B) Probability. C) Sample Space. D) Outcome. E) Event. Show Answer Correct Answer: A) Experiment. 35. The outcome of one event does not influence the outcome of the other event A) Tree diagram. B) Simple event. C) Independent event. D) Odds. Show Answer Correct Answer: C) Independent event. 36. The area of a rectangle is found by multiplying ..... A) Perimeter. B) Length by width. C) 1/2 base x height. D) The longest side by the longest side. Show Answer Correct Answer: B) Length by width. 37. Which of the following probabilities would you say is "almost impossible" ? A) 0.2. B) 0.9. C) 0.51. D) 0.01. Show Answer Correct Answer: D) 0.01. 38. Team E:Erika, Rochelle, Alimer, Mylene, Reynold A) Experiment. B) Sample Space. C) Event. D) Probability. E) Outcome. Show Answer Correct Answer: B) Sample Space. 39. What is the sample space in tossing a coin. A) 1, 2, 3, 4, 5, 6. B) Truth, consequence. C) Head, tail. D) Black, white. Show Answer Correct Answer: C) Head, tail. 40. What is the probability of rolling a sum of 7 with two dice? A) 1/8. B) 1/12. C) 1/4. D) 1/6. Show Answer Correct Answer: D) 1/6. 41. Getting a HTT when flipping a coin three. A) Sample Space. B) Probability. C) Experiment. D) Outcome. E) Event. Show Answer Correct Answer: E) Event. 42. A box has 3 limes, 5 grapes, and 2 oranges. What is the probability of reaching into the box and choosing a fruit that is NOT lime?P (NOT lime) A) 30%. B) Answer Not Here. C) 7/10. D) 3/10. Show Answer Correct Answer: C) 7/10. 43. What percent of 50 is 20? A) 2.5%. B) 40%. C) 25%. D) 4%. Show Answer Correct Answer: B) 40%. 44. Which event is not a dependent event? A) Picking 2 students to each be line leader and door holder from a group of 20 students. B) Picking 2 marbles from a bag without replacing the first marble. C) Picking 2 crayons from a box at the same time (simultaneously). D) Picking an earring, replacing it, then picking a 2nd earring. Show Answer Correct Answer: D) Picking an earring, replacing it, then picking a 2nd earring. 45. A small cube whose faces are marked with dots and has 6 faces. A) Coin. B) Die. C) Card. D) Ball. Show Answer Correct Answer: B) Die. 46. If you rolled a fair dice 90 times how many times would you expect to get a 5 or a 6 A) 30. B) 15. C) 45. D) Impossible to work out. Show Answer Correct Answer: A) 30. 47. Gabby is picking out fabric for her bedroom. She has 20 fabric samples, and 8 of them are plaid.What is the probability that a randomly selected fabric sample will be plaid? A) 1/20. B) 20. C) 12/20. D) 2/5. Show Answer Correct Answer: D) 2/5. 48. Find the number of combinations of the following school suppliesbook, pencil, glue, ruler, eraser, folder, marker, scissors, crayon taken three at a time. A) 15. B) 48. C) 35. D) 84. Show Answer Correct Answer: D) 84. 49. The sun will set today. A) Certain. B) Impossible. C) Even chance. D) Likely. Show Answer Correct Answer: A) Certain. 50. A ..... is a box divided into sections of which calculating area gives probabilities. It is mostly used to represent a sample space that has outcomes that are not equally likely. The outcomes must be independent to use this tool. A) Probability area model. B) Equally weighted outcome. C) Non-independent event. D) Measure of chance. Show Answer Correct Answer: A) Probability area model. 51. Which law is considered the turning point in the Philippine educational system in 2013? A) Republic Act 10533 (K-12 Law). B) Republic Act 7836. C) All the above. D) None of the above. Show Answer Correct Answer: A) Republic Act 10533 (K-12 Law). 52. For two events R and S, let $P\left(R\right)=0.4$ $P\left(S\right)=p$ $P\left(R\cup S\right)=0.6$ $p$ A) 0.2, when R and S are independent. B) 0.2, when R and S are mutually exclusive. C) Not determined in any case. D) 0.2, when R and S are dependent. Show Answer Correct Answer: B) 0.2, when R and S are mutually exclusive. 53. Probability of getting odd number in throwing a dice. A) 1/4. B) 1/2. C) 1/3. D) 1/6. Show Answer Correct Answer: B) 1/2. 54. Are the results of experiments A) Events. B) Sample sapce. C) Chances. D) Outcomes. Show Answer Correct Answer: D) Outcomes. 55. A computer system rejects a login attempt with probability 0.12. What is the probability that a login attempt is accepted? A) 0.12. B) 0.5. C) 0.18. D) 0.88. E) 0.72. Show Answer Correct Answer: D) 0.88. 56. At 9:00 AM, one car travels 30 kph due north. Another car travels 40 kph due east. How far apart are they at 11:00 AM? A) 70 km. B) 110 km. C) 60 km. D) 100 km. Show Answer Correct Answer: D) 100 km. 57. In Probability, to show how often an event will happen is called ..... A) Frequency. B) Outcome. C) Sample Space. D) Simple Event. Show Answer Correct Answer: A) Frequency. 58. The genetic make-up of an organism for a trait (the two genes that were inherited for a particular trait); it cannot be seen A) Genotype. B) Phenotype. C) All the above. D) None of the above. Show Answer Correct Answer: A) Genotype. 59. A student reduces her weight from 82.5 kg to 75.2 kg. What percentage of her original weight has she lost? A) 9.0%. B) 15%. C) 14.5%. D) 8.8%. E) 7.3%. Show Answer Correct Answer: D) 8.8%. 60. Does rolling the dice and finding the sum of the numbers represent the theoretical or the experimental probability? A) Experimental. B) Theoretical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Experimental. ← 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 7Class 11 Mathematics Chapter 16 Probability Quiz 8Class 11 Mathematics Chapter 16 Probability Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books