MathProbabilityProbabilistic modeling

Random experiments

Which operations are trials?

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Below are a few situations in which 5 actions are performed. Choose those, and only those, situations in which these 5 actions can be interpreted as 5 trials of some random experiment.

Reminder: A trial is a repetition of a random experiment under the same conditions.

Select one or more options from the list

Bob took a freshly shuffled deck of cards and repeated the following 5 times: drew the top card, recorded the result, and placed the card at the bottom of the deck.

Cindy took a freshly shuffled deck of cards and repeated the following 5 times: drew a random card, recorded the result, and placed the card at the bottom of the deck.

Alice took a freshly shuffled deck of cards and drew the top 5 cards.

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