Draw the three concentric circles with radii of 1 foot, 2 feet, and 3 feet.
\Find the area of shaded region by subtract the area of the inner regions from the area of the entire circle.
\Formula for the area of the circle .
Find the area of the entire circle by substituting in
.
Find the area of the entire circle by substituting in
.
.
Area of the entire circle is .
If a point region is chosen at random, then the probability
that the point is in region
, which is in the interior of region
, is
.
The probability that a point choosen at random lies in the outermost region is
\.
Option D is correct.
\ \Option D is correct.