Probability & Statistics Interpretation Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. What do we call the ratio of the occurrence of a singular event and the total number of outcomes?

Question 2 2. What do you call the likelihood of a certain event occurring out of a total possible number of events?

Question 3 3. Use the Venn Diagram. Fill in the box with the correct answer.

Question 4 4. Use the Venn Diagram.

Question 5 5.

Kyle works at a local music store. The store receives a shipment of new CDs in a box. In the shipment, there are 10 country CDs, 5 rock CDs, 12 hip hop CDs, and 3 jazz CDs.

What is the probability that the first CD Kyle chooses from the box will be country?

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Question 6 6. Using a spinner with 12 equal sections numbered 1 through 12, what is the probability that Jim will spin a number less than 8?

Question 7 7. While playing with a standard deck of playing cards, what is the probability that Jim's 5th card will be red after selecting 4 cards that were also red and not replacing them? (Hint: There are 52 cards in a deck which contains 26 red and 26 black cards.)

Question 8 8. The letters that spell out the state CALIFORNIA are cut and placed in a bag. What is the probability that the 3rd letter selected will be a C if the first two letters selected were both I's? (Letters were not replaced)

Question 9 9. A normal deck of cards has 52 cards in it with four different suits (hearts, spades, clubs, diamonds). What is the probability of drawing an ace of spades or a 3 (from any suit) from a normal deck of cards?

Question 10 10. You roll a 6-sided die. What is the probability that the number rolled will be odd or prime? (1 is not a prime number)

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Question 11 11. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. If there is an outlier, identify it from the number of medals won during these Olympic Games.

Question 12 12. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mode number of medals won during these Olympic Games.

Question 13 13. Define independent event?

Question 14 14. There is a bag of red and blue marbles. If you keep grabbing marbles out of the bag without replacing them until you get a blue marble, is each grab an independent event? Why or why not?

Question 15 15. Which of the following statements is NOT true?

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Question 16 16. What is an outlier?

Question 17 17. What is the probability of rolling either a 3 or a 6 when rolling a die?

Question 18 18. A probability of 1 means what?

Question 19 19. How many distinct ways are there to arrange the letters in the word LIGHT?

Question 20 20. If we are asked to find how many ways there are to make a 5-digit lock code, is repetition allowed?

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Question 21 21. How many teens would not pick chocolate?

Question 22 22. How many adults picked chocolate or vanilla?

Question 23 23. Beatrice spins a spinner four times. Out of the four times, she lands on orange once. She tells Edward that she landed on orange 25% of the time. What is this an example of?

Question 24 24. Use the Venn Diagram.

Question 25 25. Kate and Kyle are playing a game. They must flip a coin and spin a spinner that has 12 equal sections numbered 1 through 12. What is the probability that Kyle will flip a heads and spin the spinner and get an even number?

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Question 26 26. In a fish tank there are 10 clown fish, 4 angel fish, 6 puffer fish, and 5 eels. What is the probability of scooping out a clown fish on the second scoop after scooping out a clown fish on the first scoop and not replacing it? Give your answer as a fraction in its most reduced form.

Question 27 27. Fifty tickets are sold for a raffle. You buy 2 tickets and your sister buys 4 tickets. One ticket is randomly chosen as the winning ticket. What is the probability that you or your sister wins the raffle?

Question 28 28. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the range number of medals won during these Olympic Games.

Question 29 29. If P(B|A) = P(B), then what do we know about events A and B?

Question 30 30. Which of the following statements is NOT true?

Probability & Statistics Interpretation Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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