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In the following random experiment, decide whether the random variable X is binomial or not:A sample of 4 cards is selected without replacement from a standard deck of 52-cards, in which there are 26 red and 26 black cards. Let X be the number of cards that are red. Binomial Not binomial

Question

In the following random experiment, decide whether the random variable X is binomial or not:A sample of 4 cards is selected without replacement from a standard deck of 52-cards, in which there are 26 red and 26 black cards. Let X be the number of cards that are red. Binomial Not binomial

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Solution

The random variable X in this experiment is not binomial. The reason is that the trials in this experiment are not independent. In a binomial experiment, the probability of success (in this case, drawing a red card) remains constant from trial to trial. However, in this experiment, the probability of drawing a red card changes with each draw because the cards are drawn without

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