Answer to Question #335004 in Statistics and Probability for Tona

Question #335004

A box contains 6 red balls, 4 white balls and 5 blue balls. Determine the probability of chasing two red balls and 1 white ball if the balls are not replaced after being drawn using combination method

Expert's answer

P(2R\&\ 1W)=\dfrac{\dbinom{6}{2}\dbinom{4}{1}\dbinom{5}{0}}{\dbinom{6+4+5}{2+1}}

=\dfrac{15(4)(1)}{455}=\dfrac{12}{91}

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