A bag contains 2 white and …
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Sia ? 4 years, 5 months ago
{tex}\text{Let 2 white ball be denoted by}~ w_1, w_{2}~ \& ~red~ ball~ by~ \mathrm{r}{/tex}
Then the sample space is
{tex}\mathrm{S}=\left\{\left(\mathrm{w}_{1}, \mathrm{w}_{1}\right),\left(\mathrm{w}_{2}, \mathrm{w}_{2}\right),\left(\mathrm{w}_{1}, \mathrm{w}_{2}\right)\right. \left(w_{2}, w_{1}\right),\left(r, w_{1}\right),\left(w_{1}, r\right) \left(r, w_{2}\right),\left(w_{2}, r\right) (r, r)\}{/tex}
Let X: Number of red balls in two draws
We can see there are 0 red, 1 red, and 2 red balls
{tex}So, X=0~ or ~X=1 ~or~ X=2{/tex}
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