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help please. Suppose you have a box with 55 marbles, 30 of which are red. Suppose we take out 20 marbles from the box with

help please.

Suppose you have a box with 55 marbles, 30 of which are red. Suppose we take out 20 marbles from the box with replacement.What are the chances of getting exactly 7 red marbles? (Give exactly four decimal places)

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