This quiz works best with JavaScript enabled. Home > Grammar > Advanced > Probability Models – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Probability Models Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If you pick a card from a deck, do not replace it, and pick another, what is the probability that both are aces? A) $\frac{1}{169}$. B) $\frac{1}{221}$. C) $\frac{1}{52}$. D) $\frac{1}{663}$. Show Answer Correct Answer: B) $\frac{1}{221}$. 2. When a marble is drawn from a bag, there are 10 possible outcomes. The sample space, S = (W, W, W, W, S, S, S, S, B, B), where W represents a white marble, S represents a striped marble, and B represents a black marble.What is the probability of P(B)? (as a fraction) A) 2/5. B) 1/5. C) 1/4. D) 1/10. Show Answer Correct Answer: B) 1/5. 3. It is estimated that 18% of the dolphin population has a certain condition. This means that ..... of the dolphin population does not have this condition. A) 18%. B) 92%. C) 78%. D) 82%. Show Answer Correct Answer: D) 82%. 4. Is this binomial experiment? Shuffle a deck of 52 cards. Turn over the top card. Put the card back in the deck, shuffle again. Repeat the process 10 times. Let X = the number of aces you observe. A) Yes. B) No, the trials are not independent. C) No, there are more than 2 outcomes. D) None of the above. Show Answer Correct Answer: A) Yes. 5. Probability can be written as ..... A) A fraction. B) A decimal. C) A percentage. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. A blood bank knows that only about 10% of its regular donors have type B blood. What is the probability that you will find more than 13 people with type B blood? A) 0.25. B) 0.28. C) 0.03. D) None of the above. Show Answer Correct Answer: A) 0.25. 7. If a data set is normally distributed, which statement must be true? A) Mean = mode. B) Mean = median. C) Median = mode. D) None of these are true. Show Answer Correct Answer: B) Mean = median. 8. In compound probability, if one event affects another event we call it- A) Independent probability. B) Experimental probability. C) Simple probability. D) Dependent probability. Show Answer Correct Answer: D) Dependent probability. 9. Martha, a sales representative, has a 70% chance of closing a deal with each client. She meets with 4 clients. What is the probability Martha will close all 4 deals? Use the Desmos Binomial Probability Calculator. A) 0.20. B) 0.24. C) 0.76. D) 0.80. Show Answer Correct Answer: B) 0.24. 10. Decide whether a binomial model applies and explain why or why not. Counting the number of Democrats, Republicans, and Independents in the school faculty A) Yes, a binomial model applies. B) No, there are more than two outcomes. C) All the above. D) None of the above. Show Answer Correct Answer: B) No, there are more than two outcomes. 11. A marksman has 80% accuracy hitting targets at 1, 000 yards. What is the probability that she won't hit the target until her third shot? A) 0.032. B) 0.4096. C) 0.1369. D) 0.7373. Show Answer Correct Answer: A) 0.032. 12. A bag contains ping-pong balls that are numbered from 1 to 75. Peyton randomly selects a ping-pong ball from the bag, records the number that is on it, and puts it back in the bag. The results of the first 6 trials are:13, 70, 17, 62, 38, and 64. Based on the results, how many times is Peyton expected to select an odd-numbered ping-pong ball in the next 30 trials. A) 2/6. B) 1/3. C) 20. D) 10. Show Answer Correct Answer: D) 10. 13. The Gallup Poll asked a random sample of 1785 adults whether they attended church during the past week. Let p-hat be the proportion of people in the sample who attended church. A newspaper report claims that 40% of all U.S. adults went to church last week. Suppose this claim is true. What is the mean of the sampling distribution of p-hat? A) 0.4. B) 0.44. C) 0.56. D) 0.6. Show Answer Correct Answer: A) 0.4. 14. Find the probability of achieving success with the event:Pulling out a red marble from a bag containing 3 blue, 2 red, and 5 white marbles. A) 0.1. B) 0.2. C) 0.3. D) 0.4. Show Answer Correct Answer: B) 0.2. 15. Which of the following is NOT an assumption of the Binomial distribution? A) All trials must be independent. B) Each trial must be classified as a success or a failure. C) All trials are dependent on each other. D) The number of successes in the trials is counted. Show Answer Correct Answer: C) All trials are dependent on each other. 16. A student group sells 500 raffle tickets for $ 2 each. At the drawing the top prize will be a gift certificate for $ 100. Second prize will be a $ 50 gift card and there will be five 3rd prizes, each a $ 20 gift card. Do you expect to win or lose (on average)? How much? HINT:set up a probability model. A) Lose an average of $ 5.50. B) Lose an average of $ 1.50. C) Win an average of $ 2.00. D) Lose an average of $ 10.00. Show Answer Correct Answer: B) Lose an average of $ 1.50. 17. A computer chip company rejects 2% of the chips produced because they fail presale testing. What is the probability that the fifth chip you test is the first bad one you find? A) 0.08. B) 0.02. C) 0.00. D) None of the above. Show Answer Correct Answer: B) 0.02. 18. A probability model when all the probabilities are equally likely to occur A) Probability model. B) Uniform probability model. C) Non-uniform probability model. D) Tree diagram. Show Answer Correct Answer: B) Uniform probability model. 19. What is the value of 5! A) 25. B) 15. C) 120. D) 720. Show Answer Correct Answer: C) 120. 20. How many distinct permutations can be made from the word INDEPENDENCE? A) 1763200 permutations. B) 1664200 permutations. C) 1863200 permutations. D) 1663200 permutations. Show Answer Correct Answer: D) 1663200 permutations. 21. There are four groups left to present their final projects. The groups are listed alphabetically from Group A to Group D. The teacher will choose one group at random to present their project. List all the outcomes in this sample space for this action. A) Group A, Group B, Group C, Group D. B) Student A, Student B, Student C, Student D. C) Student A and Student D. D) Group A and Group D. Show Answer Correct Answer: A) Group A, Group B, Group C, Group D. 22. How would you describe the probability of something that has a probability of 1? A) Certain. B) Unlikely. C) Likely. D) Impossible. Show Answer Correct Answer: A) Certain. 23. What is the probability of flipping a fair coin and getting heads A) 0. B) 0.25. C) 0.5. D) 1. Show Answer Correct Answer: C) 0.5. 24. A bag contains 3 red balls, 2 blue balls, and 5 green balls. If a ball is drawn at random, what is the probability that it is red? A) $\frac{1}{2}$. B) $\frac{1}{5}$. C) $\frac{3}{10}$. D) $\frac{3}{5}$. Show Answer Correct Answer: C) $\frac{3}{10}$. 25. If the probability that a house in your neighborhood has a dog is 60%, what is the chance that you find a house with a dog before the fifth house? A) 0.97. B) 0.99. C) 0.02. D) 0.04. Show Answer Correct Answer: A) 0.97. ← PreviousNext →Related QuizzesGrammar QuizzesProbability Models Quiz 1Probability Models Quiz 2Probability Models Quiz 3Probability Models Quiz 4Probability Models Quiz 6Probability Models Quiz 7Probability Models Quiz 8Probability Models Quiz 9Case Marking QuizCase System QuizFunctional Grammar QuizIdeational Metafunction QuizInterpersonal Metafunction QuizLexical Grammar QuizLexical Relations QuizLexical Resource QuizLexical Semantics QuizMaterial Processes QuizMental Processes QuizMorphology QuizNoun Phrase Structure QuizProcess Types QuizReciprocal Trigonometric Functions QuizSemantic Fields QuizSystemic Functional Linguistics QuizTransitivity System QuizUnderstanding Connotations QuizVerbal Functions QuizVerbal Group Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books