Main content

# Random variables

Learn

Practice

Constructing probability distributionsGet 3 of 4 questions to level up!

Probability modelsGet 5 of 7 questions to level up!

Probability with discrete random variablesGet 3 of 4 questions to level up!

Expected valueGet 5 of 7 questions to level up!

Mean (expected value) of a discrete random variableGet 3 of 4 questions to level up!

Standard deviation of a discrete random variableGet 3 of 4 questions to level up!

Practice

Probability in density curvesGet 3 of 4 questions to level up!

Probability in normal density curvesGet 3 of 4 questions to level up!

Learn

Practice

Combining random variablesGet 3 of 4 questions to level up!

Combining normal random variablesGet 3 of 4 questions to level up!

Learn

Practice

Identifying binomial variablesGet 3 of 4 questions to level up!

Binomial probability formulaGet 3 of 4 questions to level up!

Calculating binomial probabilityGet 3 of 4 questions to level up!

Learn

Practice

Mean and standard deviation of a binomial random variableGet 3 of 4 questions to level up!

Learn

Practice

Binomial vs. geometric random variablesGet 3 of 4 questions to level up!

Geometric probabilityGet 3 of 4 questions to level up!

Cumulative geometric probabilityGet 3 of 4 questions to level up!

Learn

Practice

Expected value with empirical probabilitiesGet 3 of 4 questions to level up!

Expected value with calculated probabilitiesGet 3 of 4 questions to level up!

Making decisions with expected valuesGet 3 of 4 questions to level up!

Up next for you:

Level up on all the skills in this unit and collect up to 2100 Mastery points!