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help please anyone 4. [10 pts) 7 cards are selected at random from a. pack of cards without replacement. What is the probability that exactly

help please anyone

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4. [10 pts) 7 cards are selected at random from a. pack of cards without replacement. What is the probability that exactly three of them are numbered cards (2 through 10}? If a hand of 13 cards is dealt from the pack, what are the expectation and variance of the number of numbered cards that it cantaine

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