Quiz  /  Ap classroom unit 4 progress check mcq answers ap lang Class 12...

  • 1. 
    When it is not stated explicitly, the implied alpha level used to determine if a P-value rejects a null hypothesis is;

  • 0.5
  • 0.05
  • 0.025
  • 0.25

  • 2. 
    Item A consumer group is investigating the number of flights at a certain airline that are overbooked. They conducted a simulation to estimate the probability of overbooked flights in the next 5 flights. The results of 1,000 trials are shown in the following histogram.Based on the histogram, what is the probability that at least 4 of the next 5 flights at the airline will be overbooked?

  • 0.114
  • 0.446
  • 0.500
  • 0.886
  • 0.332

  • 3. 
    An original neutral stimulus that, after association with an unconditioned stimulus, comes to trigger a conditioned response is known as a...

  • unconditioned stimulus
  • neutral stimulus
  • conditioned response
  • conditioned stimulus

  • 4. 
    A certain spinner is divided into 6 sectors of equal size, and the spinner is equally likely to land in any sector. Four of the 6 sectors are shaded, and the remaining sectors are not shaded.Which of the following is the best interpretation of the probability that one spin of the spinner will land in a shaded sector?

  • For many spins, the long-run relative frequency with which the spinner will land in a shaded sector is 13\frac{1}{3}31​ .
  • For many spins, the long-run relative frequency with which the spinner will land in a shaded sector is 12\frac{1}{2}21​
  • For many spins, the long-run relative frequency with which the spinner will land in a shaded sector is 23\frac{2}{3}32​
  • For 6 spins, the spinner will land in a shaded sector 4 times.
  • For 6 spins, the spinner will land in a shaded sector 2 times.

  • 5. 
    A Type II error is;

  • The null hypothesis is true, but is rejected.
  • The null hypothesis is false, but is not rejected.

  • 6. 
    Amy has 12 brown golf tees, 8 white golf tees, 10 red golf tees, 6 blue golf tees, and 12 green golf tees in her golf bag. If she selects one of the tees from the bag at random, what is the probability that she selects a tee that is not brown or blue?

  • 38\frac{3}{8}83​
  • 58\frac{5}{8}85​
  • 2132\frac{21}{32}3221​
  • 34\frac{3}{4}43​
  • 78\frac{7}{8}87​

  • 7. 
    This equation in used to find;

  • The standard deviation of the difference between two proportions.
  • The standard deviation of the difference between two means.
  • The standard deviation of the sum between two proportions.
  • The standard deviation of the sum between two means.

  • 8. 
    Which key researcher contributed to taste aversion through his experiments with rats?

  • BF Skinner
  • Edward Tolman
  • John B Garcia
  • Robert Rescorla

  • 9. 
    Alex has a bad habit of biting his nails. Which of the following would be most helpful?

  • Positive Reinforcement
  • Extinction
  • Elimination
  • Aversion Therapy

  • 10. 
    If you'd conduct a one tailed test, you'd double your P-value. Is this true?

  • Yes, this always applies.
  • Yes, this sometimes applies.
  • No, this never applies.

  • 11. 
    The acronym PHANTOMS is used to describe the process of;

  • Hypothesis testing.
  • Forming a confidence interval.
  • Running through the applied assumptions and conditions.
  • Describing a distribution.

  • 12. 
    The students at a certain high school have an elective period, where each student chooses an elective from among four options. The following table shows the number of students who selected each elective for the 1,500 students at the high school.One student from the school will be selected at random. What is the probability the selected student chose the art elective and the music elective?

  • 000
  • 3851500\frac{385}{1500}1500385​
  • 365750\frac{365}{750}750365​
  • 7501500\frac{750}{1500}1500750​
  • 385750\frac{385}{750}750385​

  • 13. 
    Which of the following types of reinforcement results in slower extinction but also slower learning?

  • continuous reinforcement
  • partial reinforcement
  • positive reinforcement
  • negative reinforcement

  • 14. 
    Which example best describes problem focused coping?

  • Exercising after a hard day at work
  • Writing in a journal to express your feelings
  • Asking for an extension on homework
  • Going out with friends after a family argument

  • 15. 
    At a local elementary school, 35 percent of all students have brown eyes, 45 percent have brown hair, and 60 percent have brown hair or brown eyes. A student will be selected at random from the school. Let E represent the event that the selected person has brown eyes, and let H represent the event that the selected person has brown hair. Are E and H mutually exclusive events?

  • Yes, because P(E∩H)=0
  • Yes, because P(E∩H)=0.2
  • Yes, because P(E∩H)=0.6
  • No, because P(E∩H)=0.2
  • No, because P(E∩H)=0.6

  • 16. 
    The student is very confident in her work and thinks she got a good grade on her presentation. Her perception is of…

  • learned helplessness
  • internal locus of control
  • external locus of control
  • positive reinforcement

  • 17. 
    The power of a test;

  • Is its significance level.
  • Determines its level of significance.
  • Is the accuracy of the test results.
  • Is its ability to detect a false hypothesis.

  • 18. 
    Each person in a group of twenty people at a hotel orders one meal chosen from oatmeal, eggs, or pancakes and one hot beverage chosen from coffee or tea. One person will be selected at random from the twenty people. What is the sample space for the meal and beverage for the person selected?

  • {(oatmeal, coffee), (oatmeal, tea), (eggs, coffee), (eggs, tea), (pancakes, coffee), (pancakes, tea)}
  • {(oatmeal, pancakes), (oatmeal, eggs), (eggs, pancakes), (coffee, tea)}
  • {(coffee, tea, oatmeal), (coffee, tea, eggs), (coffee, tea, pancakes)}
  • {oatmeal, coffee, pancakes, eggs, tea}
  • {(oatmeal, eggs, pancakes), (coffee, tea)}

  • 19. 
    A financial analyst reports that for people who work in the finance industry, the probability that a randomly selected person will have a tattoo is 0.20.

  • For all workers in the United States, 20% will work in finance.
  • For all finance workers, 20% will have a tattoo.
  • For all people with tattoos, 20% will work in finance.
  • For a specific group of 5 finance workers, 1 will have a tattoo.
  • For a specific group of 5 people with a tattoo, 1 will work in finance.

  • 20. 
    During his experiments with dogs, the unconditioned response in Pavlov's experiment was...

  • no salivation
  • a ringing tone
  • salivation
  • having food in the dog's mouth

  • 21. 
    A business journal reports that the probability that Internet users in the United States will use a mobile payment app is 0.60. The journal claims this indicates that out of 5 randomly selected Internet users, 3 will use the mobile payment app.Is the business journal interpreting the probability correctly?

  • No, because the Internet users are not independent of each other.
  • No, because only 60% of all people use the Internet.
  • No, because 0.60 represents probability in the long run for many Internet users.
  • Yes, because Internet users are selected at random.
  • Yes, because 3 out of 5 is equal to 60%.

  • 22. 
    The assumptions and conditions for the difference between proportions are;1: The Randomization Condition.2: The 10% Condition.3: The Independent Groups Condition.

  • 1 only.
  • 1, 2 only.
  • 1, 2, and 3.
  • Not all of the necessary conditions are listed.

  • 23. 
    The Point Estimate  ±\pm±  Margin of Error describes;

  • A test statistic.
  • The critical value of "z".
  • A confidence interval.
  • The critical value of "t".

  • 24. 
    At a large high school 40 percent of the students walk to school, 32 percent of the students have been late to school at least once, and 37.5 percent of the students who walk to school have been late to school at least once. One student from the school will be selected at random. What is the probability that the student selected will be one who both walks to school and has been late to school at least once?

  • 0.12
  • 0.15
  • 0.1875
  • 0.345
  • 0.72

  • 25. 
    After helping clean the dinner table, a child is rewarded with ice cream. This is an example of…

  • positive reinforcement
  • negative reinforcement
  • positive punishment
  • negative punishment

  • 26. 
    At Mike’s favorite coffee shop, the coffee of the day is either a dark roast, a medium roast, or a light roast. From past experience, Mike knows that the probability of the coffee being a light roast is 0.15 and the probability of the coffee being a dark roast is 0.25. What is the probability of the coffee of the day not being a light roast or a dark roast on the next day that Mike visits the coffee shop?

  • 0.15
  • 0.25
  • 0.40
  • 0.60
  • 0.85

  • 27. 
    A survey of people on pizza preferences indicated that 55 percent preferred pepperoni only, 30 percent preferred mushroom only, and 15 percent preferred something other than pepperoni and mushroom. Suppose one person who was surveyed will be selected at random. Let P represent the event that the selected person preferred pepperoni, and let Mrepresent the event that the selected person preferred mushroom.Are P and M mutually exclusive events for the people in this survey?

  • Yes, because the joint probability of P and M is greater than 0.
  • Yes, because the joint probability of P and M is greater than 1.
  • Yes, because the joint probability of P and M is equal to 0.
  • No, because the joint probability of P and M is equal to 1.
  • No, because the joint probability of P and M is equal to 0.

  • 28. 
    Consider rolling two number cubes, each of which has its faces numbered from 1 to 6. The cubes will be rolled and the sum of the numbers landing face up will be recorded. Let the event E represent the event of rolling a sum of 5. How many outcomes are in the collection for event E ?

  • 1
  • 2
  • 4
  • 5
  • 6

  • 29. 
    People are more inclined to fear heights and spiders compared to butterflies and flowers. This is due to...

  • superstitious learning
  • biological preparedness
  • associative learning
  • instinctive drift
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