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10. In a sample of 60 diners at a restaurant, 12 had ordered an appetizer. If the restaurant serves 800 diners (1 point) each day, how many are likely to order an appetizer? O16 diners O160 diners O 143 diners
9. In a survey of 50 randomly selected families at the zoo, 15 families chose the polar bear exhibit as their favorite. If 2,000 families are at the zoo, predict how many like the polar bear exhibit the best. O60 families O400 families O 600 families
8. A company finds 8 bags with faulty zippers in a sample of 500. Predict how many bags with faulty zippers (1 point) are in a shipment of 20,000. O 320 bags O360 bags O 400 bags
7. A teacher asks 40 randomly selected students if they watched the new action movie over the weekend. If (1 point) 12 of the students surveyed saw the movie, predict how many of the 500 students at the school saw the movie. O 200 students O150 students O
6. On a multiple-choice test, the chance of randomly guessing the correct answer to a question is 25%. If you guess the answer to every question on a 20-question test, how many answers should you expect to get correct? O5 questions O8 questions O4
5. In a random sample of 30 sixth graders, 9 had traveled outside of the United States. There are a total of 120 sixth graders in the school. Predict how many students have traveled outside of the United States. O 28 students O 36 students O45 students
4. A manufacturer finds that 10% of the flashlights in a sample are defective. Predict how many defective flashlights there will be in a shipment of 4,000 flashlights. O4 flashlights O40 flashlights 0400 flashlights
3. A survey of a random sample of moviegoers shows that 40% purchase popcorn to eat while watching the (1 point) movie. If a theater has 80 people in it, how many people should you expect to have purchased popcorn? 040 people O36 people O32 people
2. The probability of having a winning raffle ticket is 15%. If you bought 40 tickets, how many winning tickets should you expect to have? O3 tickets O6 tickets O15 tickets
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6. How does the experimental probability you found in question 5 compare to the theoretical probability of (1 point) rolling an even number? A The theoretical probability is 10% greater than the experimental probability. B The experimental probability is
A number cube is rolled 100 times. The results are shown in the table below. Outcome: 1,2,3,4,5,6 Number of times rolled: 22,18,9,11,19,21 5. Find the experimental probability, and express it as a percent. (1 point) A50% B40% C29%
Two coins were tossed 10 times. The results are shown in the table below. Toss: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Result:HH, TT, HT, TH, HT, HH, TT, TH, HT 4. Make a tree diagram for two coins that are tossed. Find the theoretical probability that at least one
Two coins were tossed 10 times. The results are shown in the table below. Toss: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Result:HH, TT, HT, TH, HT, HH, TT, TH, HT 3. What is the experimental probability that at least one of the coins landed on heads? Express the
The table summarizes the results of spinning the spinner shown.2. What is the theoretical probability of the spinner landing on red? (1 point) A 1/2 B 1/3 C1/4 Color: Red Blue Green Yellow Number Of times Spun: 6 5 3 4
Color: Red Blue Green Yellow Number Of times Spun: 6 5 3 4
The table summarizes the results of spinning the spinner shown.2. What is the theoretical probability of the spinner landing on red? (1 point) A 1/2 B 1/3 C1/4
