Probability Distributions Quiz
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Questions and Answers

What type of probability distribution is a probability distribution of a categorical or discrete variable?

  • Normal probability distribution
  • Discrete probability distribution (correct)
  • Continuous probability distribution
  • Uniform probability distribution

What does a probability table represent?

  • Probability mass function
  • Discrete probability distribution (correct)
  • Normal probability distribution
  • Continuous probability distribution

What is used to describe the populations of real-life variables, like coin tosses or the weight of chicken eggs?

  • P values
  • Frequency distribution
  • Probability distributions (correct)
  • Hypothesis testing

What type of probability distribution includes the probabilities of values that are possible and doesn’t include any values with a probability of zero?

<p>Discrete probability distribution (A)</p> Signup and view all the answers

What is composed of two columns and represents the discrete probability distribution of a categorical variable?

<p>Probability table (C)</p> Signup and view all the answers

What is a probability distribution?

<p>A mathematical function that describes the probability of different possible values of a variable (D)</p> Signup and view all the answers

Which type of distribution is used in hypothesis testing?

<p>Standard normal distribution (C)</p> Signup and view all the answers

What does probability represent?

<p>The likelihood of an event occurring (B)</p> Signup and view all the answers

Why are probability distributions considered theoretical?

<p>Because they are based on idealized versions of frequency distributions (C)</p> Signup and view all the answers

What distinguishes a probability distribution from a frequency distribution?

<p>Probability distributions are idealized and describe the population, while frequency distributions describe specific samples (D)</p> Signup and view all the answers

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