Question

find the probability that the point lies in the Shaded region

Answer 1

$\begin{gathered} \text{Probability}=\frac{\text{shaded area}}{Total\text{ area}} \\ P=\frac{\pi11^2-\pi7^2+\pi2^2}{\pi11^2} \\ P=\frac{121-49+4}{121} \\ P=\frac{76}{121} \\ P=0.628 \end{gathered}$