This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Mathematics Chapter 13 Probability – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Mathematics Chapter 13 Probability Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The result of a trial A) Experiment. B) Trial. C) Outcome. D) Event. Show Answer Correct Answer: C) Outcome. 2. The probability of getting tails when you flip a coin is 50%. This means that if you flip 10 coins, you will always get 5 tails. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. Is it likely, less likely, certain or impossible to select a red marble from a box of 12 red marbles? A) Likely. B) Less likely. C) Certain. D) Impossible. Show Answer Correct Answer: C) Certain. 4. Outcomes that have the sameprobability of occurring A) Prediction. B) Probability. C) Equally Likely. D) Sample Space. Show Answer Correct Answer: C) Equally Likely. 5. What does the q stand for in the binomial probability formula? A) Number of trials. B) Number of Successes. C) Probability of Successes. D) Probability of Failures. Show Answer Correct Answer: D) Probability of Failures. 6. A restaurant surveys customers with the following results:8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak? P(pizza or steak) A) 20%. B) 65%. C) 50%. D) 35%. Show Answer Correct Answer: D) 35%. 7. Which of the following expressions can be used to calculate the probability of two related events occurring? A) P(event) x 2. B) P(event 1) + P(event 2). C) P(event 1) x P(event 2). D) P(event 1 + 2). Show Answer Correct Answer: C) P(event 1) x P(event 2). 8. Draw one card from a standard deck. Find P(4 or club) A) 4/13. B) 7/52. C) 2/13. D) 1/26. Show Answer Correct Answer: A) 4/13. 9. What is the probability of getting an odd number when rolling a single 6 sided die? A) 1/6. B) 2/6. C) 3/5. D) 3/6. Show Answer Correct Answer: D) 3/6. 10. In a family of 3 children, the eldest child is a boy. A) 1/4. B) 1/2. C) 2/3. D) 1. Show Answer Correct Answer: B) 1/2. 11. A bag has 3 apples and 8 oranges. What is the probability of drawing an orange at random? A) 8/11. B) 3/11. C) 24/121. D) 1/6. Show Answer Correct Answer: A) 8/11. 12. What is the likelihood you choose a 0 from the numbers 1-10? A) Impossible. B) Unlikely. C) Neither likely nor unlikely. D) Likely. E) Certain. Show Answer Correct Answer: A) Impossible. 13. There are 11 pennies and 9 dimes in a bag. P(dime) A) 45%. B) 55%. C) All the above. D) None of the above. Show Answer Correct Answer: A) 45%. 14. The third person to knock on the door will be a female. A) 2/3. B) 1/4. C) 1/2. D) 1/3. Show Answer Correct Answer: C) 1/2. 15. There are seven nickels and eight dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. What is the probability that the coin is a dimes both times? A) 49/225. B) 8/15. C) 7/15. D) 64/225. Show Answer Correct Answer: D) 64/225. 16. Roll the Dice:Which number are you most likely to roll and why? A) It is equally likely to roll all of them because there is one of each number. B) You are more likely to roll a 6 because there are 6 numbers on the die. C) You are more likely to roll a 3 because there is a 50% chance and 3 is half of 6. D) It is more likely to roll a two because two is an even number. Show Answer Correct Answer: A) It is equally likely to roll all of them because there is one of each number. 17. The standard deviation of a data is 3. If each value is multiplied by 5 then the new variance is A) 3. B) 15. C) 5. D) 225. Show Answer Correct Answer: D) 225. 18. Complements can be thought of as: A) Or. B) And. C) Not. D) None of the above. Show Answer Correct Answer: C) Not. 19. How many 6-digit odd numbers with distinct digits can be created using the digits 1, 2, 3, 4, 5, 6 and what is the probability of selecting such a number? A) 360, 1/2. B) 720, 1/5. C) 120, 1/6. D) 360, 1/4. Show Answer Correct Answer: A) 360, 1/2. 20. In a box of 600 bulbs, 130 bulbs are defective. One bulb is taken out at random. Find probability of non defective bulb. A) 450/600. B) 130/600. C) 1/600. D) 470/600. Show Answer Correct Answer: D) 470/600. 21. You have a standard game die with the numbers 1-6.What is the probability of rolling a number greater than 6?Write as a decimal or integer. A) $0$. B) 0 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $0$. 22. Rohit speaks the truth in 50% of cases and Y speaks the truth in 80% of cases. What is the percentage of cases that are likely to contradict each other while narrating the same event? A) 50%. B) 33.33%. C) 22.5%. D) None of these. Show Answer Correct Answer: A) 50%. 23. Daniel owns 12 T-shirts, 7 of which are white.If Daniel randomly selects a T-shirt to wear, what is the probability it will be white? A) $\frac{7}{12}$. B) $50-50$. C) $\frac{1}{2}$. D) $\frac{12}{7}$. Show Answer Correct Answer: A) $\frac{7}{12}$. 24. An event consisting of one outcome A) Simple event. B) Event. C) Probability. D) Equally likely. Show Answer Correct Answer: A) Simple event. 25. If you flip a coin, what is the probability that it will land on heads? A) 1/4. B) 1/8. C) 1/2. D) None of the above. Show Answer Correct Answer: C) 1/2. ← PreviousNext →Related QuizzesClass 12 Mathematics Chapter 13 Probability Quiz 1Class 12 Mathematics Chapter 13 Probability Quiz 2Class 12 Mathematics Chapter 13 Probability Quiz 3Class 12 Mathematics Chapter 13 Probability Quiz 4Class 12 Mathematics Chapter 13 Probability Quiz 5Class 12 Mathematics Chapter 13 Probability Quiz 6Class 12 Mathematics Chapter 13 Probability Quiz 7Class 12 Mathematics Chapter 13 Probability Quiz 8Class 12 Mathematics Chapter 13 Probability Quiz 9Class 12 Mathematics Chapter 13 Probability Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books