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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?

Discrete probability distribution Signup and view all the answers

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

Probability table Signup and view all the answers

What is a probability distribution?

A mathematical function that describes the probability of different possible values of a variable Signup and view all the answers

Which type of distribution is used in hypothesis testing?

Standard normal distribution Signup and view all the answers

What does probability represent?

The likelihood of an event occurring Signup and view all the answers

Why are probability distributions considered theoretical?

Because they are based on idealized versions of frequency distributions Signup and view all the answers

What distinguishes a probability distribution from a frequency distribution?

Probability distributions are idealized and describe the population, while frequency distributions describe specific samples Signup and view all the answers