This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Mathematics Chapter 13 Probability – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Mathematics Chapter 13 Probability Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The probability of winning a game is 1:12. If Jada plays the game 60 times, how many times could she expect to win? A) 12. B) 5. C) 8. D) 10. Show Answer Correct Answer: B) 5. 2. How many permutations can be made using the letters D E C I M A L? A) 1 permuation. B) 720 permutations. C) 21 permutations. D) 5040 permutations. Show Answer Correct Answer: D) 5040 permutations. 3. Kamalam went to play a lucky draw contest. 135 tickets of the lucky draw were sold. If the probability of Kamalam winning is 1/9, then the number of tickets bought by Kamalam is A) 5. B) 10. C) 15. D) 20. Show Answer Correct Answer: C) 15. 4. Bailey tossed a coin 10 times. The results were 7 heads and 3 tails. What is the experimental probability of tossing tails? A) 1/3. B) 3/10. C) 3/7. D) 1/2. Show Answer Correct Answer: B) 3/10. 5. The spinner shown is divided into congruent sections that are labeled from 1 through 7. If the spinner is spun one time, what is the probability of the arrow NOT landing on a section labeled with an odd number? A) 4/7. B) 3/4. C) 1/4. D) 3/7. Show Answer Correct Answer: D) 3/7. 6. You flip a coin. What is the probability of getting heads? A) 0. B) 25%. C) 50%. D) 100%. Show Answer Correct Answer: C) 50%. 7. The mean of 100 observations is 40 and their standard deviation is 3. The sum of squares of all deviations is A) 40000. B) 160900. C) 160000. D) 30000. Show Answer Correct Answer: B) 160900. 8. In a binomial probability distribution, the sum of probability of failure and probability of success is always: A) 0. B) <0.5. C) >0.5. D) 1. Show Answer Correct Answer: D) 1. 9. Probability is a measure of ..... A) How likely or unlikely something is. B) The fairness of a game. C) Predictions. D) The way we keep records. Show Answer Correct Answer: A) How likely or unlikely something is. 10. On a six sided die, what is the probability of rolling a 3 OR a number greater than 4? A) $\frac{1}{2}$. B) $\frac{5}{6}$. C) $\frac{2}{3}$. D) $\frac{1}{3}$. Show Answer Correct Answer: A) $\frac{1}{2}$. 11. Dependent probability happens when the first item is not replaced, causing the total outcomes to decrease by 1. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. An equally likely chance for an event to occur is what number? A) 0. B) 1. C) .5. D) 100. Show Answer Correct Answer: C) .5. 13. A chance of something happening is called ..... A) Outcome. B) Probability. C) Event. D) Independent event. Show Answer Correct Answer: B) Probability. 14. A bag of Skittles has 7 red Skittles and 3 yellow Skittles. Which best describes the likelihood of choosing a red Skittle? A) Unlikely to choose a red Skittle. B) Equally likely to choose a red Skittle as choosing a yellow Skittle. C) Likely to choose a red Skittle. D) Certain to choose a red Skittle. Show Answer Correct Answer: C) Likely to choose a red Skittle. 15. Which is an example of experimental probability? A) The spinner landed on three 7 out of 10 times (7/10). B) The probability of landing on tails is 1/2. C) All the above. D) None of the above. Show Answer Correct Answer: A) The spinner landed on three 7 out of 10 times (7/10). 16. Marty can go to one movie on either Friday or Saturday. His choice of movies includes a comedy or an action movie. Which list shows all of the possible outcomes of one movie on one day? A) Comedy, FridayComedy, SaturdayAction, FridayAction, Saturday. B) Comedy, ActionAction, ComedyFriday, SaturdaySaturday, Friday. C) Action, FridayAction, Saturday. D) Comedy, FridayAction, Friday. Show Answer Correct Answer: A) Comedy, FridayComedy, SaturdayAction, FridayAction, Saturday. 17. A page is selected at random from a book. The probability that the digit at units place of the page number chosen is less than 7 is A) 3/10. B) 7/10. C) 3/9. D) 7/9. Show Answer Correct Answer: B) 7/10. 18. An urn contains 15 white balls and 25 blue balls. If Margarette will pick a ball at random, what is the probability that it is a blue ball? A) 2/5. B) 3/5. C) 3/8. D) 5/8. Show Answer Correct Answer: D) 5/8. 19. Find the probability that a leap year chosen at random will contain 53 sundays. A) 2/7. B) 3/7. C) 1/49. D) 1/7. Show Answer Correct Answer: A) 2/7. 20. If A, B and C are mutually exclusive and exhaustive events, then P(A)+P(B)+P(C) equals to ..... A) 0. B) 1/3. C) 1. D) Any value between 0 and 1. Show Answer Correct Answer: C) 1. 21. An event has a 0% chance of happening. This event is ..... A) Impossible. B) Unlikely. C) As likely as not. D) Likely. E) Certain. Show Answer Correct Answer: A) Impossible. 22. The probability of rolling an even number on a dice. A) 3/6. B) 1/2. C) 1/6. D) 5/6. Show Answer Correct Answer: B) 1/2. 23. Colored Cubes:How likely is it to draw a yellow cube vs. a green cube? A) More likely. B) Equally likely. C) Less likely. D) Highly likely. Show Answer Correct Answer: C) Less likely. 24. What is the probability that you will have dinner in Australia tonight? A) 0. B) 1/4. C) 1/2. D) 1. Show Answer Correct Answer: A) 0. 25. "The sun will rise in the morning" A) Somewhat Likely. B) Not Very Likely. C) Impossible. D) Certain. Show Answer Correct Answer: D) Certain. 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