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  • Suppose you drop a die at random on the rectangular region shown in Fig. 15 .6. What is the probability that it will land inside the circle with diameter 1m?

20. Suppose you drop a die at random on the rectangular region shown in Fig. 15.6. What is the probability that it will land inside the circle with diameter 1m? 

            

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Here, Total outcome is the area of the rectangle and favourable outcome is area of the circle.

Area of the rectangle = l\times b = 3\times2 = 6\ m^2

Area of the circle = \pi r^2 = \pi \left(\frac{1}{2}\right)^2 = \frac{\pi}{4}\ m^2

\therefore P(die\ will\ land\ inside\ the\ hole) = \frac{Area\ of\ circle}{Total\ area}

= \frac{\frac{\pi}{4}}{6} = \frac{\pi}{24}

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HARSH KANKARIA

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