Random Variable & Distribution Quiz

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About this activity

Test your understanding of key probability concepts.

Created by

Regine A. Wayan

Philippines

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Froggy Jumps Random Variable & Distribution QuizOnline version Test your understanding of key probability concepts. by Regine A. Wayan 1 What type of distribution describes a variable that takes only distinct outcomes with fixed probabilities, like coin flips? a Normal distribution b Discrete distribution c Continuous distribution 2 Which parameter is the expected value associated with a random variable? a Mean b Variance c Mode 3 Which distribution models the number of successes in a fixed number of independent Bernoulli trials? a Poisson distribution b Binomial distribution c Normal distribution 4 Which function gives the probability that a random variable X is less than or equal to x? a Cumulative distribution function (CDF) b Probability density function (PDF) c Moment generating function (MGF) 5 Which distribution is defined by the parameters mean and variance, typically for continuous variables? a Normal distribution b Uniform distribution c Exponential distribution 6 Which distribution is used for counting events in a fixed interval when events occur independently at a constant rate? a Poisson distribution b Binomial distribution c Uniform distribution 7 What is the variance of a Bernoulli(p) random variable? a p(1-p) b p^2 c 1-p 8 What property means two events occur without affecting each other in probability? a Mutual exclusivity b Independence c Correlation 9 Which term describes the average outcome in repeated trials of a random variable? a Median b Mode c Expected value 10 What is the probability mass function (PMF) used for? a Continuous variables b Cumulative probabilities c Discrete random variables

Froggy Jumps

Random Variable & Distribution QuizOnline version

Test your understanding of key probability concepts.

by Regine A. Wayan

What type of distribution describes a variable that takes only distinct outcomes with fixed probabilities, like coin flips?

Normal distribution

Discrete distribution

Continuous distribution

Which parameter is the expected value associated with a random variable?

Mean

Variance

Mode

Which distribution models the number of successes in a fixed number of independent Bernoulli trials?

Poisson distribution

Binomial distribution

Normal distribution

Which function gives the probability that a random variable X is less than or equal to x?

Cumulative distribution function (CDF)

Probability density function (PDF)

Moment generating function (MGF)

Which distribution is defined by the parameters mean and variance, typically for continuous variables?

Normal distribution

Uniform distribution

Exponential distribution

Which distribution is used for counting events in a fixed interval when events occur independently at a constant rate?

Poisson distribution

Binomial distribution

Uniform distribution

What is the variance of a Bernoulli(p) random variable?

p(1-p)

p^2

1-p

What property means two events occur without affecting each other in probability?

Mutual exclusivity

Independence

Correlation

Which term describes the average outcome in repeated trials of a random variable?

Median

Mode

Expected value

What is the probability mass function (PMF) used for?

Continuous variables

Cumulative probabilities

Discrete random variables

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Random Variable & Distribution Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Froggy Jumps

Random Variable & Distribution QuizOnline version

by Regine A. Wayan

What type of distribution describes a variable that takes only distinct outcomes with fixed probabilities, like coin flips?

Which parameter is the expected value associated with a random variable?

Which distribution models the number of successes in a fixed number of independent Bernoulli trials?

Which function gives the probability that a random variable X is less than or equal to x?

Which distribution is defined by the parameters mean and variance, typically for continuous variables?

Which distribution is used for counting events in a fixed interval when events occur independently at a constant rate?

What is the variance of a Bernoulli(p) random variable?

What property means two events occur without affecting each other in probability?

Which term describes the average outcome in repeated trials of a random variable?

What is the probability mass function (PMF) used for?

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