Making Predictions With Probability Quiz 1 (25 MCQs)

Quiz Instructions

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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. 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?
14. If you flip a coin 50 times, how many times would you predict it'd land on heads?
15. Isidro flips a fair coin 40 times. How many times can he expect heads to appear?
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?
17. Which sentence uses the word 'probability' correctly?
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?
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?
20. Which sentence uses 'unlikely' correctly?
21. Choose the correct sentence that uses 'will' to make a prediction.
22. A tennis player gets an ace on 35% of his serves. Out of 80 serves, about how many aces will he get?
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?
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?
25. Making a prediction is a