This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 16 Probability – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 16 Probability Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A bag contains 3 red marbles, 2 blue marbles, and 10 green marbles. If Sam draws a marble from the bag, what is the probability that it is a blue marble? A) 2/15. B) 1/5. C) 2/3. D) 1/7. Show Answer Correct Answer: A) 2/15. 2. Simple Experiment A) Experiments with multiple conditions. B) Experiments in which there are only two conditions. C) Experiments that require complex analysis. D) Experiments that are conducted in a laboratory setting. Show Answer Correct Answer: B) Experiments in which there are only two conditions. 3. There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy? A) 15/15. B) 1/2. C) 15/40. D) 8/15. Show Answer Correct Answer: B) 1/2. 4. In a bag of 10 marbles, 4 are red and 6 are blue. What is the probability of drawing a red marble? A) 3/5. B) 1/2. C) 4/10. D) 2/5. Show Answer Correct Answer: C) 4/10. 5. Which event is IMPOSSIBLE? A) Rolling a 7 on a 6 sided dice. B) Tossing a coin and landing on heads. C) Rolling an even number on a dice. D) The sun rising in the morning. Show Answer Correct Answer: A) Rolling a 7 on a 6 sided dice. 6. Ryan has 4 rap songs, 11 pop songs, 8 country songs, and 2 rock songs. What is the probability of Ryan NOT picking a pop song? A) 2/25. B) 14/25. C) 11/25. D) 22/25. Show Answer Correct Answer: B) 14/25. 7. The probability that a non-leap year selected at random will contains 53 Sundays is A) 1/7. B) 2/7. C) 3/7. D) 5/7. Show Answer Correct Answer: A) 1/7. 8. There are 300 workers in a factory and 120 of them are female. A worker is randomly selected from the factory. Find the probability that the selected worker is a male. A) 2/5. B) 1/5. C) 3/5. D) 4/5. Show Answer Correct Answer: C) 3/5. 9. To evaluate the defect rate of its memory chips, an integrated circuit manufacturer tests every 100th chip off the production line. A) Biased Sample. B) Unbiased Sample. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unbiased Sample. 10. In a ..... , one or more outcomes has a greater chance of happening. A) Sample space. B) Biased event. C) Probability area. D) Most likely. Show Answer Correct Answer: B) Biased event. 11. P(9, r) = 181, 440 A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: C) 7. 12. The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing the letter M or a vowel? A) 7/11. B) 6/11. C) 2/11. D) 5/26. Show Answer Correct Answer: B) 6/11. 13. Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. You flip a fair coin and the coin will land heads up. A) Impossible. B) Unlikely. C) As likely as not. D) Likely. Show Answer Correct Answer: C) As likely as not. 14. The Austrian Monk who is deemed the Father of Genetics? A) John Hammond. B) Gregor Mendel. C) Isaac Newton. D) Mr. Betenson. Show Answer Correct Answer: B) Gregor Mendel. 15. The study of probability provides a basis of inferential statistics A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. A bag of marbles has 8 red marbles and 6 purple marbles. Jennifer will randomly select 1 marble from the bag. What is the probability that she will select a purple marble? A) 6/8. B) 3/4. C) 6/14. D) 3/7. Show Answer Correct Answer: D) 3/7. 17. How would you describe the likelihood of the event, given that P(event)=0.05? A) Very likely. B) Very unlikely. C) Somewhat likely. D) Somewhat unlikely. Show Answer Correct Answer: B) Very unlikely. 18. Eight coins are tossed together. The probability of getting exactly 3 heads is A) 1/ 256. B) 3 /32. C) 7/ 32. D) 5/ 32. Show Answer Correct Answer: C) 7/ 32. 19. If a jar contains 2 green, 3 red, and 5 blue marbles, what is the probability of drawing a green marble? A) 1/10. B) 1/5. C) 2/5. D) 2/10. Show Answer Correct Answer: B) 1/5. 20. A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. What is the probability of taking out a purple, NOT replacing it, and then taking out an orange? A) 1/9. B) 2/15. C) 3/31. D) 1/5. Show Answer Correct Answer: A) 1/9. 21. An ..... is a result. A) Outcome. B) Guess. C) Option. D) Independent event. Show Answer Correct Answer: A) Outcome. 22. When would you expect the experimental probability of an event to get closer to equaling the theoretical probability of the event? A) When there are exactly 50 trials in the experiment. B) The fewer the number of trials in the experiment. C) The larger the number of trials in the experiment. D) This can't be determined. Show Answer Correct Answer: C) The larger the number of trials in the experiment. 23. Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts. She puts the candy in the bowl. If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow? Is this independent or dependent probability? A) Independent. B) Dependent. C) All the above. D) None of the above. Show Answer Correct Answer: B) Dependent. 24. A coin is tossed and a dice is rolled simultaneously. By listing the sample of all the possible outcomes of the event, find the probability that a head and an odd number are obtained? A) $\frac{2}{3}$. B) $\frac{3}{4}$. C) $\frac{1}{4}$. D) $\frac{1}{3}$. Show Answer Correct Answer: C) $\frac{1}{4}$. 25. Guessing the number of singles in Mathematics IV. A) Sample Space. B) Outcome. C) Event. D) Experiment. E) Probability. Show Answer Correct Answer: D) Experiment. ← 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 8Class 11 Mathematics Chapter 16 Probability Quiz 9Class 11 Mathematics Chapter 16 Probability Quiz 10Class 11 Mathematics Chapter 16 Probability Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books