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Making Predictions With Probability Quiz 1 (41 MCQs)

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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?
2. Which word is a synonym for 'prediction'?
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?
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?
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?
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?
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?
8. What is the function of 'modals' in making predictions?
9. Identify the sentence that uses 'might' to express a prediction.
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?
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?
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?
13. If you flip a coin 50 times, how many times would you predict it'd land on heads?
14. Isidro flips a fair coin 40 times. How many times can he expect heads to appear?
15. A librarian noticed that 60% of seventh graders checked out fantasy books. About how many of 240 seventh graders would check out fantasy books?
16. Which sentence uses the word 'probability' correctly?
17. 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?
18. 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?
19. Which sentence uses 'unlikely' correctly?
20. Choose the correct sentence that uses 'will' to make a prediction.
21. A tennis player gets an ace on 35% of his serves. Out of 80 serves, about how many aces will he get?
22. 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?
23. Making a prediction is a
24. A light bulb manufacturer finds that 700 bulbs will be defective out of 15, 500 bulbs made. What is the percentage of light bulbs found defective?
25. Choose the correct sentence structure for making a prediction.
26. You are charged a 6% sales tax in your state. If you purchase a new bicycle and pay $ 27 in sales tax, what is the purchase price of the bicycle?
27. Which of the following is an example of a prediction?
28. A bag contains:* 5 red marbles* 6 blue marbles* 3 green marbles* 4 black marbles* 2 yellow marblesA marble will be drawn from the bag and replaced 200 times. What is a reasonable prediction for the number of times a yellow or green marble will be drawn?
29. What part of speech is 'prediction'?
30. Identify the correct use of 'likely' in a sentence.
31. Which sentence uses 'perhaps' correctly to indicate a prediction?
32. In literature, what does 'foreshadowing' mean?
33. Choose the sentence that best demonstrates the use of 'probability' in a literary context.
34. There are 20 questions in a test and you get 75% correct. How many questions do you get right?
35. Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?
36. Aaron took a multiple choice test. There were 25 questions, of which he answered 4 incorrectly. At this rate, how many questions should Aaron expect to answer incorrectly if he takes a test with a total of 150 questions?
37. At an assembly 7 out of 10 students who entered the gym were carrying a backpack. Based on this information, if 700 students were at the assembly, how many students could be expected to be carrying a backpack?
38. Ronnie misses the school bus 3 out of every 30 school days. How many days will he miss out of 80 days?
39. What is the meaning of 'prediction' in the context of probability?
40. Of the 60 seeds seeds that you plant, 80% of them germinate. How many seeds actually germinated?
41. What is the role of 'context clues' in understanding predictions in a text?
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