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Question Number 27270 by das47955@mail.com last updated on 05/Jan/18

$$\left(1\right)\mathbf{There}\mathbf{are}20\mathbf{boys}\mathbf{and}10\mathbf{girls}\mathbf{in}\mathbf{a}$$$$\mathbf{class}.\mathbf{If}\mathbf{a}\mathbf{committee}\mathbf{of}6\mathbf{is}\mathbf{to}\mathbf{be}$$$$\mathbf{chosen}\mathbf{at}\mathbf{random}\mathbf{having}\mathbf{atleast}$$$$2\mathbf{boys}\mathbf{and}2\mathbf{girls},\mathbf{find}\mathbf{the}$$$$\mathbf{probability}\mathbf{that}$$$$\left(\mathbf{i}\right)\mathbf{there}\mathbf{ara}3\mathbf{boys}\mathbf{in}\mathbf{the}$$$$\mathbf{committee}$$$$\left(\mathbf{ii}\right)\mathbf{there}\mathbf{are}4\mathbf{boys}\mathbf{in}\mathbf{the}$$$$\mathbf{committee}$$

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