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OpenStudy (anonymous):
A bowl contains 25 balls numbered 1 to 25. A ball is drawn and its number is noted. Without replacing the first ball, another ball is drawn. The probability that the numbers on both balls are odd numbers is?
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OpenStudy (smartanne):
I can help
OpenStudy (anonymous):
\[\frac{13\ 12}{25\ 24}=\frac{13}{50} \]
OpenStudy (anonymous):
13 odd and 12 even is 25 both 12 odd and 12 even is 24 both
OpenStudy (smartanne):
I agree @robtobey
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