Mathematics, 29.07.2019 15:00 reginapokorny

An urn contains six red balls, five black balls, and four green balls. if two balls are selected at random without replacement from the urn, what is the probability that a red ball and a black ball will be selected. explain how to do it

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An urn contains six red balls, five black balls, and four green balls. if two balls are selected at...

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