This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Moods > Making Predictions With Probability – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Making Predictions With Probability Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The city council voted on a new tax. The council has 20 members and 20% of the council members voted in favor of the new tax. How many members voted in favor of the tax? A) 16 council members. B) 4 council members. C) 20% of the members. D) 100. Show Answer Correct Answer: B) 4 council members. 2. Which word is a synonym for 'prediction'? A) Forecast. B) Memory. C) History. D) Imagination. Show Answer Correct Answer: A) Forecast. 3. Of the 360 runners at a 5-kilometer race, 20% are in the 35-39 age bracket. How many runners at the 5-kilometer race are in the 35-39 age bracket? A) 72. B) 288. C) 1, 800. D) 36. Show Answer Correct Answer: A) 72. 4. A catalog store has 6% of its orders returned for a refund. About how many returns are expected out of the 16, 824 sold? A) 1009.44. B) 10, 094.4. C) 100, 944. D) 2804. Show Answer Correct Answer: A) 1009.44. 5. A poll was taken of Hobby Middle School, 25 out of 30 students said they would prefer pizza on Friday's. Out of 1200 students, what is a reasonable prediction of how many students would prefer pizza on Fridays? A) 100. B) 1000. C) 10. D) 1. Show Answer Correct Answer: B) 1000. 6. A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon? A) 3. B) 1/10. C) 3/10. D) 30%. Show Answer Correct Answer: B) 1/10. 7. A doctor's office concludes that, on average, 11% of patients call to reschedule their appointments per week. About how many appointments will be rescheduled out of the 240 total appointments during next week? A) 2640. B) 26.4. C) 21.8. D) 229. Show Answer Correct Answer: B) 26.4. 8. What is the function of 'modals' in making predictions? A) They express possibility and likelihood. B) They describe past events. C) They indicate certainty. D) They negate statements. Show Answer Correct Answer: A) They express possibility and likelihood. 9. Identify the sentence that uses 'might' to express a prediction. A) She might win the race. B) She win might the race. C) Might she win the race. D) Win she might the race. Show Answer Correct Answer: A) She might win the race. 10. Drake made 14 out of 20 free throw shots. About how many out of the next 60 free throw shots would you expect him to make? A) 40. B) 42. C) 44. D) 46. Show Answer Correct Answer: B) 42. 11. There are 35 competitors in a marathon. Sixty percent of these finished the race in under four hours. How many competitors finished the race in under four hours? A) 7 competitors. B) 21 competitors. C) 58 competitors. D) 14 competitors. Show Answer Correct Answer: B) 21 competitors. 12. On a toy assembly line, the quality control officer reports that 872 toys have been found defective out of 24, 850 toys made. What is the percentage of toys found defective? A) 28.49%. B) 0.035%. C) 3.50%. D) 21, 669.2%. Show Answer Correct Answer: C) 3.50%. 13. Drake made 14 out of 20 free throw shots. About how many out of the next 30 free throw shots would you expect him to make? A) 20. B) 21. C) 22. D) 25. Show Answer Correct Answer: B) 21. 14. If you flip a coin 50 times, how many times would you predict it'd land on heads? A) 50. B) 20. C) 25. D) 1. Show Answer Correct Answer: C) 25. 15. Isidro flips a fair coin 40 times. How many times can he expect heads to appear? A) 4. B) 10. C) 15. D) 20. Show Answer Correct Answer: D) 20. 16. A librarian noticed that 60% of seventh graders checked out fantasy books. About how many of 240 seventh graders would check out fantasy books? A) 144. B) 180. C) 14.4. D) 150. Show Answer Correct Answer: A) 144. 17. Which sentence uses the word 'probability' correctly? A) The probability of rain is high today. B) She probability went to the store. C) He is probability the best player. D) Probability, I will call you later. Show Answer Correct Answer: A) The probability of rain is high today. 18. An airline knows that, on average, the probability that a passenger will not show up for a flight is 6%. If an airplane is fully booked and holds 300 passengers, how many seats are expected to be empty? A) 18. B) 180. C) 50. D) 22. Show Answer Correct Answer: A) 18. 19. The seventh grade class needs to earn money for a trip to the amusement park. Of the 160 seventh-grade students, 60% participate in the fundraiser. How many students participate in the fundraiser? A) About 267 Students. B) 16 Students. C) 32 Students. D) 96 Students. Show Answer Correct Answer: D) 96 Students. 20. Which sentence uses 'unlikely' correctly? A) It is unlikely that he will come. B) Unlikely he will come. C) He will unlikely come. D) Come he will unlikely. Show Answer Correct Answer: A) It is unlikely that he will come. 21. Choose the correct sentence that uses 'will' to make a prediction. A) She will probably arrive late. B) Will she probably arrive late. C) Arrive will she probably late. D) Probably she will arrive late. Show Answer Correct Answer: A) She will probably arrive late. 22. A tennis player gets an ace on 35% of his serves. Out of 80 serves, about how many aces will he get? A) 2, 800. B) 32. C) 2.28. D) 28. Show Answer Correct Answer: D) 28. 23. School A has 1500 students and School B has 1800 students. On a particular day, both school had 25 students coming late. Which school has a lower percentage of students who come late? A) School A. B) School B. C) All the above. D) None of the above. Show Answer Correct Answer: B) School B. 24. A poll was taken of Hobby Middle School, 25 out of 30 students said they would prefer pizza on Friday's. Out of 120 students, what is a reasonable prediction of how many students would prefer pizza on Fridays? A) 100. B) 105. C) 75. D) 70. Show Answer Correct Answer: A) 100. 25. Making a prediction is a A) Guess. B) My favorite band. C) Using a magic 8 ball. D) Using previous information to determine what comes next. Show Answer Correct Answer: D) Using previous information to determine what comes next. 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