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An office has 30 computers. seventeen of the 30 are macintosh, and the remaining thirteen are windows. two computers are randomly selected without replacement. what is the probability of randomly selecting a macintosh given that the first computer selected was a windows machine?

Respuesta :

DeanR

Given the first was Windows, we're choosing the second from 17 macs and 12 Windows, so


[tex]p = \dfrac{17}{17+12} = \dfrac{17}{29}[/tex]



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