# FTCE: Probability Chapter Exam

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#### Question 1 1. If you roll a die three times, what is the probability of rolling only even numbers?

#### Question 2 2. 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 3 3. The probability of winning a prize at a ball toss at a carnival is 2/7. What is the probability of not winning a prize?

#### Question 4 4. On a 5 question, multiple-choice test, what is the probability that you will get at least one problem correct while guessing? Each question has 5 choices.

#### Question 5 5. Looking at the graph below, which of the following statements is NOT true?

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#### Question 6 6. Select the statement that represents discrete quantitative data.

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Question 7
7.
Find the standard deviation for the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

#### Question 8 8. This histogram shows test scores. Based on this information, how many students got a score of 91 or better?

#### Question 9 9. Jimmy is making multi-flavored ice cream cones by scooping in different flavors one at a time. Jimmy has 6 different flavors but can only put 3 flavors in each cone. The order of the flavors is important to him as it affects how he tastes each ice cream. How many different arrangements of cones can Jimmy make?

#### Question 10 10. A newspaper company is selecting four houses to receive a free newspaper on your block. There are 10 houses on your block that are numbered 1-10. What is the probability that the four houses selected for a free newspaper will all be even numbered houses?

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#### Question 11 11. The numbers 1 through 20 are written on separate slips of paper and placed in a hat. One of the slips is randomly drawn. What is the probability that either a prime number or a number less than 10 is drawn?

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Question 12
12.
Find the range for one standard deviation in the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

#### Question 13 13. 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 14 14. This graph shows the number of rabbits a breeder has each month. In which month did the breeder have 40 rabbits?

#### Question 15 15. Make a prediction about what might happen if you have ten birds.

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#### Question 16 16. What type of information does a histogram show?

#### Question 17 17. Which of the following statements is NOT quantitative data?

#### Question 18 18. All of the letters that spell MISSISSIPPI are put into a bag. What is the probability of selecting a vowel, and then after replacing the letter, also drawing an S?

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Question 19
19.
Find the variance for the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

#### Question 20 20. At a local ice cream parlor, there are 6 different flavors of ice cream from which to select (strawberry, chocolate, vanilla, rocky road, mint chocolate chip, and peanut butter). Each ice cream sundae must include 2 different flavors of ice cream; what is the probability that the next customer's sundae will have vanilla and chocolate?

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#### Question 21 21. Calculate 4! (factorial)

#### Question 22 22. 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 23 23. A class of 6 boys and 12 girls are preparing for finals. The teacher is going to select 3 students to be exempt from the test. What is the probability that the three students that are exempt will be all boys?

#### Question 24 24. You just took a survey asking people about their favorite class in school. After getting all the answers, you found that 10 people love English, 2 people love math, 3 people love history, and 12 love science. Please put this information in table form.

#### Question 25 25. This graph shows the number of rabbits a breeder has each month. Which month did the breeder have the most rabbits?

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#### Question 26 26. 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 27 27. Jenny has a bowl of M&M's that has 6 brown, 3 green, 4 red, and 12 yellow M&M's. She selects a yellow M&M and does not replace it. What is the probability that her second selection will be a brown M&M?

#### Question 28 28. You just took a survey asking people about their favorite class in school. After getting all the answers, you found that 10 people love English, 2 people love math, 3 people love history, and 12 love science. What are the percentages for each class?

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Question 29
29.
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 Kyle will select a jazz CD from the box, and then, without replacing the CD, select a country CD?

#### Question 30 30. Using the bar graph 'Top Ten U.S. Rentals in 1999', which movie had the 2nd highest movie rental revenue?

#### FTCE: Probability 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!