Question: An urn contains nine balls. Each ball has one of the numbers 1, 2, ..., 9 painted on it. Pull two balls (with replacement) from

An urn contains nine balls. Each ball has one of the numbers 1, 2, ..., 9 painted on it. Pull two balls (with replacement) from the urn. What is the chance the two numbers are the same?

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ANSWER The probability of drawing a ball with a certain number is 19 and there are 9 poss... View full answer

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